ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 
6 77 
1879. Gundlach: Triplets as one element of lens combination. 
No. 222,132. 
1880. W. H. Bulloch: Scroll turntable. No. 226,648. 
1880. Molera and Cobrian : Binocular. No. 230,320. 
1880. E. Bausck : Folding Microscope. No. 230,688. 
1880. J. W. Sidlo : Cog-wheel turntable. No. 235,030. 
1882. Lomb and Bausch : Trichinoscope. No. 251,721. 
1882. P. H. Yawman: Differential screw fine-adjustment. No, 
262,634. 
1883. Foster: Socket. No. 270,296. 
1883. W. J. M‘Causland: Magnifier for telegraph. No. 270,907. 
1883. F. B. Gould: Microphotographs. No. 271,838. 
1883. L. MTntosh: Pin arm. No. 273,752. 
1883. E. Bausch : Electric light and Microscope. No. 277,869. 
1883. W. H. Bulloch: Bayonet-catch nose-piece. No. 287,904. 
1883. D. Tetlow : Bottle seed Microscope. No. 287,978. 
1884. E. Bausch: Swinging Wenham prism. No. 293,217. 
1884. W. K. Kidder: Electric spark device for Microscope. No. 
295 770 
1885. E. Bausch : Microtome. No. 325,722. 
1885. E. Bausch : Sheet-metal flanges to tubes. No. 328,277. 
1886. G. Fasoldt: Spring nose-piece. No. 334,009. 
1886. G. Klippert : Turntable. No. 334,530. 
1886. G. W. Palmer : Bevelled slides. No. 336,257. 
1886. B. F. Allen: Stand. No. 352,639. 
1886. E. H. Griffith: Turntable. No. 354,130. 
1889. S. Frost : Botanical Microscope. No. 407,192. 
Newspaper Science. * — “ One of the latest specimens is furnished by 
the Globe-Democrat , of this city, which a few Sundays ago printed the 
following : — 
4 Charles X. Dalton, instrument-maker, says R. B. Tolies, of Boston, 
now dead, was the greatest maker of Microscope lenses the world has 
ever seen. He once made an object-glass that magnified 7500 times. 
It was the first and only one ever constructed, and was made as the 
result of a long controversy with other microscopists in regard to the 
possibility of resolving what was known as Nobert’s nineteenth band. 
Nobert was a Frenchman, who, by mechanical appliances, ruled on glass 
parallel lines at the rate of about 100,000 to the inch. No Microscope 
lens then made was sufficiently powerful to count these lines. Mr. 
Tolies, as a result of statements made during the controversy, started to 
make an objective that should magnify 7500 times. This he succeeded 
in doing somewhere about 1874. This objective was 1/75 in. in 
diameter, and is about as large as the hole made in a sheet of paper by 
the point of a very fine needle. This lens was afterwards sold to Major 
Woodward, in the Government employ at Washington, but his bill was 
not allowed by the auditor, and the lens was taken off his hands by one 
Dr. Harriman. In turn he sold it to Dr. Ephraim Cutter, in whose 
possession it now is. Objectives that magnify 5000 times are rare, and 
it is a powerful Microscope that magnifies even 2500 times. These 
* National Druggist (St. Louis), xix. (1891) p. 25. 
3 B 
1891. 
