THE MICROSCOPE. 31 
carrying on my usual burden of college work, and everything has 
been in such a topsy-turvy state,-that writing and drawing have had 
neither time nor place). I certainly would not have allowed 
anything to hinder my doing so, had I supposed there was any 
possibility of Mr. Bulloch patenting my invention, thus placed 
in his hands, as his own and so publishing it to the world. I hadno 
intention of patenting it myself, or of attempting to realize any 
pecuniary gain from it, but believing it to be the simplest and most 
efficient and desirable form of nose-piece yet discovered,I do object 
most decidedly to having any one attempt thus to deprive me of all 
the credit of its paternity. 
The plan was first worked out by me three years ago and I 
have shown it from time to time to a number of eminent micro-. 
scopists. First, at the Detroit meeting of the A. S. M. in 1880, 
where I showed sketches of it to a number of the members, as Mr. 
Ed. Pennock, Ed. Bausch, Dr. R. J. Mohr and the said Mr. Bulloch 
himself, and to many others since. At that time, however, I was 
anxious to secure its adoption as a means, not only of the rapid 
interchange of objectives, but also of doing away entirely with the 
society screw. So startling a proposal from a new member, failed to 
enlist much support. Now, the invention of Sidle’s bayonet-catch 
nose-piece, Pease’s facility nose-piece and Nelson’s slotted screw 
nose-piece, have awakened microscope makers to a realization of the 
utility of such inventions, and to the fact that the old “Double”’ 
and “Triple” and “Quadruple” nose-pieces are not the “ U/ima 
Thule” of microscopic invention. Hence, when I determined, last 
August, to allow the pressure of other matters to no longer hinder 
me from bringing my invention before the public, and asked Mr. 
Bulloch to make it up into brass he consented readily enough, 
although he and others had thought it of little worth three years 
before. The only change Mr. B. has made from the sketch showed 
him is in making the slotted collar double thick, so as to hide from 
view and cover up from touch the slots and pins themselves. This 
however, is merely a matter of looks and not at all essential. In every 
other detail and in every essential part the nose-piece is as I drew it 
for him, and as I have shown it to other microscopists months 
before. I hope, now that Mr. Bulloch has at last so emphatically 
endorsed the invention, that others may also undertake its manuf ac- 
ture and use, as I freely gave it to them before. 
