This is a reproduction of a library book that was digitized by Google as part of an ongoing effort to preserve the information in books and make it universally accessible. https://books.google.com TREATISE ON THE KALEIDOSCOPE. 'I', 'I' 'iH'B' **** *o .110) * 0 || 1 || 1 || A PrintedbyJ. Ruthven&Sons. TREATISE ON THE KALEIDOSCOPE, DY /7 DAVID BREWSTER, LL.D. fi -**-*- F.R.S. LOND. AND EDIN. &c. Nihiltangitquodnonornat. * ©inburgi): PRINTEDFOR ARCHIBALD consTABLE&Co. EDINBURGH; AND LONGMAN, HURST, REES, ORME, & BROWN; AND HURST, RoRINSoN, &Co. LoNDON. - -***** 1819. & * | |BRITAN To SIR GEORGE STEWART MACKENZIE, OF COUL, BART. F.R.S. PRESIDENT or THE PHYSICAL CLASS OFTHE RoyAL socIETY of EDINBURGH,ANDVICE PRESIDENT or THE SOCIETY OF SCOTTISH ANTIQUARIES. &c.&c.&c. As you were the first person who saw the Kaleidoscope, and predicted its po pularity, I am naturally led to lay the fol lowing description of it before the public, under the sanction ofyour name. I might have been more flattered with the interest which you took in the success ofthis instrument, and with the assistance I have so often received from you in other researches, had I been less acquainted with the zeal and ardour with which you have devoted yourselfto the promotion ofevery public utility— object of science, and of