Vlll PREFACE. 



to its high reputation, by no efforts of his own to give 

 it publicity, but solely by the cures it accomplished, 

 and which are now very generally known. 



As every maker of these instruments claims to make 

 the best, and the last usually makes the loudest claim, 

 he would simply state that his instrument has been, 

 without solicitation, purchased and used by every Hos- 

 pital and Medical Institution in this city and vicinity, 

 and by almost every Physician, as well as by over one 

 thousand of our own citizens, and also by distinguished 

 persons in various parts of this country and in foreign 

 lands. 



His stock of Telescopes and Microscopes will be 

 found very extensive, and together with Optical Lenses 

 and Sliders for the Magic Lantern, form the principal 

 articles that are imported ; and for obtaining these 

 from London and Paris direct, and at low rates, he is 

 possessed of unusual facilities. 



As the Microscope is capable of affording a vast field 

 for amusement and instruction, opening a new world 

 and displaying the most extensive scenes of creative 

 power, wisdom, and design ; and it being difficult to 

 find in print any information concerning it, a minute 

 description of one of the kinds is given, which will be 

 found applicable to all the others ; also particular 

 directions for procuring and applying some of the most 

 interesting subjects for examination. 



In regard to Spectacles, Eye-Glasses, and Lenses for 

 optical purposes of every description, his assortment is 

 most extensive and complete. To this branch of his 

 business he devotes special attention, furnishing Glasses 

 or Pebbles that are truly ground, and properly adapted 

 to the sight ; feeling that so important a matter as 



