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GREEK AND ROMAN ARTILLERY HISTORICAL DEVELOPMENT i E. W. MARSDEN r OXFORD AT THE CLARENDON PRESS 1969 flF ""' ' Oxford University Press, Ely House, London W. i GLASGOW NEW YORK TORONTO MELBOURNE WELLINGTON CAPE TOWN SALISBURY IBADAN NAIROBI LUSAKA ADDIS ABABA BOMBAY CALCUTTA MADRAS KARACHI LAHORE DACCA. KUALA LUMPUR SINGAPORE HONG KONG TOKYO © OXFORD UNIVERSITY PRESS I969 TO W. T. M. PRINTED IN GREAT BRITAIN E. V. M. M. M. ♦ PREFACE Over a period of about a century, ending in 1929, much work was done— almost entirely by German and French scholars— on the Greek arid Latin treatises describing the construction of catapults and on a wide range of topics relating to ancient artillery. In 1929 General E. Schramm, in collaboration with A. Rehm, published an edition of Biton’s handbook on the construction of war machines and artillery, thus completing more than a quarter of a century of practical and academic labour in this field. In spite of such an impressive record it appeared that there was still considerable scope for further explora­ tion of the subject. For instance, Schramm revealed in the preface to his edition of Biton a certain understandable uneasiness with regard to his interpretation of a difficult mechanical treatise. More recently investigations into ancient artillery seem conspicuously absent, al­ though A. G. Drachmann has made one or two small but valuable contributions. Discussions with the late Reverend M. P. Gharlesworth, then Presi­ dent of St. John’s College, Cambridge, led me to embark upon a study of Greek and Roman artillery from the beginning once more, starting with the ancient technical descriptions of the machines themselves, their construction, and developments in design. Editions of these mechanical manuals will appear in another volume (Greek and Roman Artillery: Technical Treatises). The conclusions reached there are largely assumed in this present volume, sometimes with relatively brief explanation. I am most grateful for the advice and encouragement provided during the period of my early efforts by the Reverend M. P. Charlesworth, the late Sir Frank Adcock, Professor A. W. Lawrence, and Mr. R. L. Howland. I wish to offer my grateful thanks to Mr. G. T. Griffith and to Pro­ fessor F. W. Walbank for their most generous help in many diverse matters over a considerable number of years, for much constructive criticism, and for keeping me on as straight a coursc as anyone could have done. Algp I am indebted to Mr. J. V. H. Eames, with whom I have had some provocative and inspiring discussions from time to time, and to Lektor Inge Dahlan who introduced me to some of the treasures in that splendid Uppsala institution, Carolina, and drew my attention PREFACE ix viii PREFACE fications in South Italy and Sicily, the other contributing to the cost to various pieces of archaeological evidence. I should like to thank of the five figures in colour in this volume. My thanks are due to the especially Dr. W. Barr for suggestions on a wide range of points and Society of Antiquaries of London for permission to reproduce as Plate 5 for his careful reading of the proofs. here the skull found at Maiden Castle which is Plate LIIId in R. E. M. It would have been impossible to study the ancient mechanical Wheeler, Maiden Castle, Dorset (Reports of the Research Committee writings seriously without constructing at least a few models. My first of the Society of Antiquaries of London, No. XII, Oxford, 1943). efforts were small and insignificant, but useful within their obvious Also I offer my sincere thanks to Walter de Gruyter & Co. of Berlin limitations. I recall with gratitude the encouragement and financial for permission to reproduce six illustrations. My Plate 3 is taken from assistance provided through Mr. Paul Johnstone of the B.B.C. T.V. Alt. Perg. ii, Taf. 45. 1, and my Plates 9, 10, 11, 12, and 13 have been Talks Department, who prevailed upon me to produce two larger derived from C. Cichorius, Die Reliefs der Traianssaule, Tafelband i (Berlin, models which were used in T.V. programmes. The first was a full-scale 1896), abb. 104-5, i63~4, 165, 166, and 169 respectively. replies of an arrow-shooting catapult of small calibre, the lesser scorpion Last but not least I wish to record my appreciative gratitude to the of the Romans, the three-span catapult of the Greeks (Plate 4). Because staff of the Clarendon Press for their unfailingly patient, sympathetic, this machine was constructed in a hurry, the metal washers which allow and skilful handling of the many problems involved in publishing this the springs to be tightened are altogether inaccurate, and the arms book. require much smoothing and finishing. Basically, however, the model E. W. MARSDEN conforms to ancient standards. Liverpool, 196c, The second model represented an onager. This was a scale repro­ duction, but was nevertheless quite large and heavy (Plate 14). It was built for me by Mr. R. G. Milles (of R. M. Milles Ltd., of Bootle), who interpreted my drawings and explanations with skill and sym­ pathy^ producing an efficient and successful machine. Several difficulties relating to Heron’s Cheiroballistra were cleared up when Messrs. Norman and Raymond Cooper of Upminster constructed a splendid full-scale model in accordance with my interpretation of Heron’s manual (Plates 6-8). I learned a great deal from my association with these three practical experts and I am pleased to take this opportunity of expressing my thanks to them. The figures in the text which illustrate catapults or components have not been designed as working drawings. I have Simply tried to make the construction of various types of catapult as clear as possible. Sometimes a feature which is shown in, let us say, the side-elevation of a part|cular machine, and which would be visible in the front-elevation, has been omitted from the latter for the sake of clarity. I have not always mentioned such omissions in the captions, but hope that they will b£ obvious to the reader. The diagrams illustrating fortifications are based on my own sketches and observations, on my photographs and those provided by friends, and on drawings and photographs contained in the works cited in the footnotes to the chapter on fortifications. I am indebted to the committee of the Liverpool University Research Fund for two grants of money, one enabling me to study Greek forti- CONTENTS LIST OF FIGURES AND DIAGRAMS xiii LIST OF PLATES xv ABBREVIATIONS AND BIBLIOGRAPHY xvi WEIGHTS AND MEASURES xix I. INTRODUCTION AND ANALYSIS OF CONSTRUCTIONAL SOURCES i 1. The Earliest Artillery 5 2. Advanced Non-torsion Artillery 13 3. Early Torsion Artillery 16 4. Standard Torsion Artillery and the Formulae for Calibration 24 5. Further Observations on the Calibrating Formulae 33 6. The Theorem of the Two Mean Proportionals 39 7. Modifications introduced between the discovery of the calibrating formulae and the time of Vitruvius (c. 25 B.C.) 41 II. THE INVENTION OF THE CATAPULT 48 III. THE DIFFUSION OF ARTILLERY 65 1. Early Spread of Non-torsion Artillery 65 2. Athenian Artillery 67 3. Artillery in the Hellenistic World excluding Athens 73 4. The Spread of Artillery in the West 77 5. Early Roman Artillery 83 IV. RANGE AND EFFECTS 86 V. ARTILLERY IN SIEGES 99 1. Analysis of Sieges 99 2. Philon 113 VI. ARTILLERY AND FORTIFICATIONS 116 1. The Siting of Catapults in City Defences 116 2. Towers and Artillery 126 3. Tower Shapes 139 4. More Advanced Artillery Towers 150 5. Diagrams 155 CONTENTS VII. CATAPULTS IN FIELD CAMPAIGNS AND NAVAL WARFARE 164 1. Field Artillery 164 2. Artillery in Naval Warfare 169 LIST OF FIGURES AND DIAGRAMS VIII. ROMAN IM PERIAL ARTILLERY 174 CHAPTER I APPENDICES FIGURE I. The gastraphetes 6 I. Modifications in the design of arrow-shooting catapults reflected in Vitruvius 2. The composite bow 9 199 5. Modifications incorporated in Vitruvius’ ballista 203 3- Composite bow unstrung 9 4. Fitting the bowstring to the gastraphetes 11 TABLES 5- Zopyrus’ gastraphetes facing P- 12 Table illustrating the constructional development of two-armed 6. The stone-thrower of Charon of Magnesia facing p. 13 catapults 43 7- Mark II frame from the front 19 List of dimensions for euthytone, arrow-shooting catapults 44 8. Washers 19 List of dimensions for palintone, stone-throwing engines 46 9- Frame of Mark III arrow-shooting catapult 20 10. Arm movement in Mark III frame 21 11. Arm movement in Mark IIIa frame 21 12. Arm movement in Mark IIIb frame 22 13- Side-elevation of stone-thrower 24 14. Details of frame of a euthytone, arrow-shooting catapult 27 15- Washer according to the Ampurias catapult 29 16. Mark IVa straight-spring arrow-shooting catapult 34 *7- Mark IVb stone-thrower 35 18. Skeleton shape of stone-thrower 36 i9- Graph illustrating experiments 38 20. Geometric application of the theorem of the two mean pro­ portionals 40 21. Mark Va catapult facing P- 42 22. Mark Vb ballista facing p. 43 CHAPTER IV FIGURE I. Trajectory of stone-shot 90 2. Philon’s ditch-system 9i Plan of 100-per-cent zone of field gun shooting at a range of 3- 5,000 yards 94 CHAPTER VI FIGURE I. Shooting from a tower and from the rampart walk 117 2. Sketch-plan of the Euryalus 120 3* Cross-section of ditch outside north wall at Paestum 121 4* Plan of large tower on the acropolis at Lilaea 137 LIST OF FIGURES AND DIAGRAM S 5- Fields of fire for a catapult shooting through a window 140 6. Fields of fire from a rectangular tower 142 7- Field of fire for a catapult shooting through the side window LIST OF PLATES of a tower 142 8. Fields of fire from a semicircular tower *43 (At the end) 9- Plan of round tower in the south wall at Paestum *47 10. Fields of fire from a hexagonal tower 148 1. The catapult on Vedennius’ tombstone 11. Fields of fire from a pentagonal tower 149 2. The Cupid Gem 12. Plan of embrasure in lower chamber of tower 18, Heracleia :53 3. Catapult in the balustrade relief at Pergamum 13- Plan of semicircular tower in the north wall at Hipponium 154 4. Full-scale reconstruction of a three-span catapult 5. The skull from Maiden Castle DIAGRAM 1. Coverage provided by catapults mounted in towers in a 6. Full-scale reconstruction of Heron’s cheiroballistra—front view straight wall 155 7. Full-scale reconstruction of Heron’s cheiroballistra—side view 2. Perge—Portion of east wall with casemates and rear of one tower 155 8. Full-scale reconstruction of Heron’s cheiroballistra—from the rear 3. Side—One type of wall with casemates 156 9. Trajan’s Column 104-5 4. Messene, tower of earlier type 156 10. Trajan’s Column 163-4 5. Messene, tower east of Arcadian Gate 157 11. Trajan’s Column 165 6. Simple ballistics 157 12. Trajan’s Column 166 7. Paestum, tower 6 158 13. Trajan’s Column 169 8. Tithorea, tower A 159 14. Small-scale reconstruction of a onager 9. Lilaea, tower H 159 10. Aegosthena, tower A 160 11. Pompeii, tower by Vesuvius Gate 161 12. Tower shapes 162 13. Plan of gate at Mantinea 163 14. Perge, tower in east wall 163 CHAPTER VIII FIGURIf 1. Heron’s cheiroballistra facing p. 188 APPENDIX I FIGURE 1. Comparison of euthytone frame of Heron and Philon with that of Vitruvius 199 ABBREVIATIONS AND BIBLIOGRAPHY xvii Kochly = H. Kochly and W. Riistow, Griechische Kriegsschriftsteller, i. Leipzig, 1853. Krischen, Herakleia = F. Krischen, Die Befestigungen von Herakleia am Latmos. (Milet, iii, 2.) Berlin-Leipzig, 1922. ABBREVIATIONS AND BIBLIOGRAPHY Krischen, Stadtmauem = F. Krischen, Die Stadtmauem von Pompeji und griechische Festungsbaukunst in Unteritalien und Sizilien. (Die hellenistische Kunst in Pompeji, vii.) Berlin, 1941. Kromayer, Antike Schlachtfelder = J. Kromayer and G. Veith, Antike Schlachtfelder. 4 Abh. Bay* Akad. — Abhandlungen der Bayerischen Akademie der Wissenschaften, phU.-hist. vols. Berlin, 1903-31. Abteilung. Abh. Berlin. Akad. = Abhandlungen der Preussischen Akademie der Wissenschaften, Berlin, Lanckoronski = K. Lanckoronski, Stddte Pamphyliens und Pisidiens. 2 vols. Vienna, phil.-hist. Klasse. 1890-2. AJA = American Journal of Archaeology. Launey = M. Launey, Recherches sur les armies hellenistiques. 2 vols. Paris, 1949-50. AJP = A,meriean Journal of Philology. Lawrence, Greek Architecture = A. W. Lawrence, Greek Architecture. Penguin, 1957. Alt. Perg. — Altertiimer von Pergamon. Berlin, 1885-1937. LS = Liddell-Scott-Jones, A Greek-English Lexicon. Ed. 9. Oxford, 1940. AM = Mitteilungen des deutschen archaologischen Instituts, athenische Abteilung. Maier = F. G. Maier, Griechische Mauerbaidnschriften. 2 vols. Heidelberg, 1961. Arch. Joum. = Archaeological Journal. Mansel, Side = A. M. Mansel, Die Ruinen von Side. Berlin, 1963. BCH = Bulletin de correspondance hellenique. Michel = Ch. Michel, Recueil des inscriptions grecques. Brussels, 1900 (supplements, Bengtson Strategic = H. Bengtson, Die Strategic in der hellenistischen £eit. 3 vols. 1912 and 1927). Mtinci■ hener Beitrage, vols. 26, 32, and 36. Munich, 1937—52. Mon. Ant. Lincei = Monumenti antichi pubblicati per cur a della R. Accademia dei Lincei. Blouet == A. Blouet (et ses collaborateurs—A. Ravoisie, A. Poirot, F. Trezel, F. de OCD = Oxford Classical Dictionary. Go urn;ay), Expedition scientifique de Moree, i. Paris, 1831. R. P. Oliver, ‘A Note on the De Rebus Bellicis. In CP 50 (1955), 113 ff. BPhW = Berliner philologische Wochenschrift. Payne-Gallwey, The Crossbow = Sir R. W. F. Payne-Gallwey, The Crossbow, mediaeval Cichorius, Romische Studien = C. Cichorius, Romische Studien. Zweite Auflage. Darm­ and modem, military and sporting. Its construction, history and management, with stadt, 1961. a treatise on the balista and catapult of the ancients and an appendix on the CIL — Corpus inscriptionum latinarum. catapult, balista and the Turkish bow. Ed. 2. London, 1958. CIRh = Clara Rhodos. Pohlmann, Untersuchungen = M. Pohlmann, Untersuchungen zur alteren Geschichte des CP = Classical Philology. antiken Belagervngsgeschutzes. Diss. Erlangen, 19x2. CQ = Classical Quarterly. Prou, Chirobaliste — V. Prou, ‘La Chirobaliste d’H6ron d’Alexandrie’. In Notices et Extraits des manuscrits de la Bibliotheque nationale et autres bibliotheques, 26, 2 (Paris, Darembei’g-Saglio — Daremberg-Saglio, Dictionnaires des antiquite grecques et romaines. i877)> I-3I9- Paris, 1877-1919. Diels, Antike Technik = H. Diels, Antike Technik. Ed. 3. Leipzig, 1924. B. Rathgen, ‘Die Punischen Geschosse des Arsenals von Karthago und die Geschosse Domaszewski, Rangordmmg = A. von Domaszewski, Die Rangordnung des romischen von Lambaesis’. In ^eitschrift fur historische Waffenkunde, 5 (Dresden, 1909-11), Heeres. (Bonner Jahrbiicher, 117.) Bonn, 1908. 236 ff. A. G. Drachmann, ‘Remarks on the Ancient Catapults’. In Actes du Septieme Congres RE = Pauly—Wissowa’s Real-encyclopadie der classischen Altertumswissenschqft. Stuttgart, International d'Histoire des Sciences. Jerusalem, 1953. 1893- . A. G. Drachmann, The Mechanical Technology of Greek and Roman Antiquity. Copenhagen, REA — Revue des etudes anciennes. 1963.I RM = Mitteilungen des deutschen archaologischen Instituts, romische Abteilung. Droysen, Heerwesen = H. Droysen, Heerwesen und Kriegfuhrung der Griechen. (Hermann’s Robert, £t. Anat. = L. Robert, Etudes anatoliennes: recherches sur les inscriptions grecques Lehrbuch der griechischen Antiquitaten ii, 2.) Freiburg, 1889. de VAsie Mineure. Paris, 1937. E. von Roder, ‘Die Kaliber der antiken Geschutze’. In £'eitschriftfur historische Waffen­ Ferguson == W. S. Ferguson, Hellenistic Athens. London, 1911. kunde, 5 (Dresden, 1909-11), 311 ff. FGH = F. Jacoby, Die Fragmente der griechischen Historiker. Berlin-Leiden, 1923- . Ross, Aristotle = W. D. Ross, Aristotle. Ed. 5. London, 1949. Frazer, Paisanias = J. G. Frazer, Pausanias ’ Description of Greece. 6 vols. London, 1898. RS = A. Rehm and E. Schramm, ‘Bitons Bau von Belagerungsmaschinen und Geschiitzen’. In Abh. Bay. Akad. 1929. Gott. Abh. ■= Abhandlungen der Gesellschaft der Wissenschaften zu Gottingen. Gott. Nachr. = Nachrichten von der Gesellschaft der Wissenschaften zu Gottingen. S.-B. Berlin = Sitzungsberichte der Preussischen Akademie der Wissenschaften, phil.-hist. Klasse. IG2 = Inscriptions graecae, editio minor. Schambach, Bemerkungen = O. Schambach, ‘Einige Bemerkungen iiber die Geschutz- ILS — Inscriptiones latina/e selectae, ed. H. Dessau. 3 vols. Berlin, 1892—1916. verwendung bei den Romem besonders zur Zeit Casars’. In Programme von dem JAI = Journal of the Royal Anthropological Institute. Friedrichs-Gymnasium zu Altenburg, nr. 618 (1883), i ff. ABBREVIATIONS AND BIBLIOGRAPHY Schenk, Vegetius = D. Schenk, Flavius Vegetius Renatu s. Die Quellen der Epitoma Rei Milli taris. (Klio, Beiheft 22.) Leipzig, 1930. Schlager = H. Schlager, ‘Zu den Bauperioden der Stadtmauer von Paestum’. In RM 69 (1962), 21 ff. R. Schneiii der, ‘Herons Cheiroballistra’. In RM 21 (1906), 142 ff. WEIGHTS AND MEASURES Schramm,, MovayKwv vnd Onager = E. Schramm, *Movdyxaiv und Onager’. In Gott. Nachr, 2 (1918), 259 ff. Schramm, Poliorketik = E. Schramm, ‘Poliorketik’. In J. Kromayer and G. Veith, There is a more detailed discussion of Greek and Roman weights and Ha ?sen vnd Kriegfiihrung der Griechen und Rimer (Muller—Otto, Handbuch iv. 3, 2; measures so far as they affect artillery in Technical Treatises, Note on Measure­ Munii ch, 1928), 209 ff. ments and Weights, which is mainly based on the work of F. Hultsch, Grie- Schramm Saalburg = E. Schramm, Die antiken Geschutze der Saalburg. Berlin, 1918. chische und Romische Metrologies (Berlin, 1882). A summary here may be helpful. Schramm, Vitruvius = E. Schramm, ‘Erlauterung der Geschiitzbeschreibung bei Vitni'v ius x. 10-12’. In S.-B. Berlin (1917), 718 ff. For the weights of stone-shot and calculations based on them Greek Scranton, Greek Walls = R. L. Scranton, Greek Walls. Cambridge, Mass., 1941. artillerymen probably used as their standard the Attic-Euboic mina which Syll. = Sylll,oge inscriptionum graecarum, ed. W. Dittenberger. Ed. 3. 4 vols. Leipzig, was equivalent to 436-6 grammes or to 0*96 lb. (British) (N.B. 100 drachmae 1915 ■24* = 1 mina: 60 minae = 1 talent). The Roman standard pound (libra) was Syme, Roitan Revolution = R. Syme, The Roman Revolution. Oxford, i960. equal to 327*5 grammes or to 0-72 lb. (British). Tam, HMND — W. W. Tarn, Hellenistic Military and Naval Developments. Cambridge, The generally standard Greek foot (•jtovs) measured 308-3 mm. or 12*16 inches: I93°* TC — C. Cichorius, Die Reliefs der Traianssaule, Tafelband i. Berlin, 1896. useful Thevenot = M. Thevenot (ed.), Veterum mathematicorum Athenaei, Apollodori, Philonis, approximation Bitonu, Heronis et altorum opera Graece et La tine ex manuscriptis codicibus Bibliothecae mm. inches in inc) Regiae pleraque nunc primum edita. Paris, 1693. E. A. Thompson, A Roman Reformer and Inventor. Oxford, 1952. 1 dactyl 193 0-76 I Tod = M.I N. Tod, Greek Historical Inscriptions, 2 vols. Oxford, 1946 (vol. i, ed. 2), 1 palm (4 dactyls) 77*1 3*04 3 1948 (vol. ii). 1 span (12 dactyls) 2312 912 9 1 foot (16 dactyls) 3083 12-16 12 Vors. = H. Diels-W. Kranz, Fragmente der Vorsokratiker. 3 vols. Ed. 6. Berlin, 1951-2. 1 cubit (24 dactyls) 462-4 18-21 18 W = C. V\fescher, La Poliorcetique des Grecs. Paris, 1867. The standard Roman foot (pes) and its subdivisions had the following Walbank, Polybius = F. W. Walbank, A Historical Commentary on Polybius, i. Oxford, equivalents: 1957- mm. inches Wheeler, Maiden Castle = R. E. M. Wheeler, Maiden Castle, Dorset. (.Reports of the (British) Research Committee of the Society of Antiquaries of London, xii.) Oxford, 1943. Winter, Ikria = F. E. Winter, ‘Ikria and katastegasma in the Walls of Athens’. In 1 foot (pes), of 12 unciae or 16 digits: 295*7 11-64 Phoenix, 13, 4 (Toronto, 1959), 161 ff. 1 inch (uncia): 246 0-97 1 palm (palmus), of 3 unciae or 4 digits: 73-9 2-91 Yadin = Y, Yadin, The Art of Warfare in Biblical Lands. London, 1963. 1 digit (digitus): 185 0-73 I INTRODUCTION AND ANALYSIS OF CONSTRUCTIONAL SOURCES For the present purpose a piece of artillery is to be defined as a relatively complex engine powered by springs of resilient material, composed of several mechanical devices, and designed to hurl bolts or shot over the longest possible range. Such engines could greatly exceed the performance of the simple machines, the bow and the sling, both in the length or weight of their missiles and in maximum effective range. Ancient pieces of artillery, though invented and developed by the Greeks, are perhaps best known by their Latin names, catapulta and ballista. Catapulta meant an arrow- or bolt-shooting engine.1 A ballista was a more powerful machine, primarily designed for discharging stone-shot.2 Occasionally ballistae hurled extraordinary projectiles. For instance, in a sea battle between the fleets of Prusias of Bithynia and Eumenes of Pergamum in 184 B.C., Hannibal, Prusias’ commander at the time, apparendy caused numerous jars full of poisonous snakes to be shot at the Pergamene vessels. The arrival of the pots created amusement among Eumenes’ sailors, but this soon turned to consternation when the snakes appeared, and the Stratagem contributed to Bithynian victory.3 We sometimes find ancient artificers modifying ballistae in order to project immense bolts over extreme ranges; but the ballista usually functioned as a stone-thrower. However, at some time during the period from a.d. 100 to 300, a change occurred in the system of nomenclature. Thus, in the fourth century a.d., catapulta indicates a one-armed stone-throwing engine, while ballista means a piece of artillery which shoots bolts only. But it must be emphasized that this somewhat astonishing change in terminology only applies in the later Roman imperial epoch. The reasons for it will be discussed at the appropriate time.4 1 The Greek term for this type of artillery was KaraireXrrjs 6£vf3e\rjs, though o^i/jSeAifc occurs very often by itself. The earliest form, however, was icarairdAnjs ogvfioXos. Small catapultae were generally called scorpions. 2 The Greek equivalent was, in full, KaraireXrqs XiOofioXos or irerpofioXos, though the word KaraiTeXrqs was normally omitted. 3 Frontin. Strat. iv. 7. 10-11; Nep. Hann. 10. 4—11. 6; Just, xxxii. 4. 6-7; Gal. xiv. 231 (Kuhn). 4 Below, pp. 188 ff. 814268 B

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