THE MICROSCOPE. 191 



OUR ADVERTISERS. 



We could not afford to publish an illustrated journal of forty- 

 eight pages if the subscription list was our only income. Therefore, 

 when you are about to purchase please consult our advertising pages 

 and see if you cannot be suited. We propose, in each issue, to call 

 attention to our advertisers in detail and let our readers know what 

 they offer. 



The house of H. R. Spencer and Co., of Geneva, N. Y., has 

 just issued a new catalogue containing revised prices and a number 

 of unsolicited letters from their patrons. Their new homogeneous 

 immersion i-ioth is especially mentioned. Their i-ioth of 113 

 balsam angle is listed at sixty dollars, while the same glass of 125 is 

 listed at eighty dollars. The list shows a i-4th objective at 16, 30, 

 40 and 70 dollars. Price lists sent on application by mentioning 

 this journal. 



^ A friend of ours says that he invested ten dollars in F. W- 

 McAllister, of Baltimore, and received " a very good section 

 cutter " and a first-class assortment of diatoms and algae. Mr. Mc- 

 Allister is special agent for Gundlach's microscopes. He will 

 promptly furnish circulars. 



H. J. Brown and Co. are new advertisers with us, but they 

 know where to put their money to the best advantage. Mr. Brown 

 has made a specialty of surgical instruments for years and keeps a 

 full stock on hand. He has an immense stock of glass slides which 

 he offers at very low rates indeed. Get his prices on these goods. 

 It is the best place to buy these goods in this city. 



G. S. Woolman, of New York, is a general dealer in micro- 

 scopes. Besides a full stock of these goods he keeps on hand a fine 

 lot of drawing instruments and necessary accessories. The micro- 

 scope he offers on page 116 of his illustrated catalogue is a very 

 good one for the general practitioner and the price places it within 

 the reach of all. The turn-table No. 3763^4 is a very comfortable 

 arrangement, having the revolving-plate set under the hand-rest. 

 Mr. Woolman kindly offers a catalogue of 200 pages free to sub- 

 scribers of this journal. 



