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U.S. patent 182,919 – Improvement in Microscopes – 1876 – October 3 – A screw-thread coarse focus, parallel spring fine focus, swinging substage.; U.S. patent 198,607 – Improvement in stages for Microscopes – 1877 – December 25 – Sliding stage used on many Bausch & Lomb microscopes.
Bausch & Lomb (since 2010 stylized as Bausch + Lomb [2]) is an American-Canadian eye health products company based in Vaughan, Ontario, Canada. It is one of the world's largest suppliers of contact lenses , [ 3 ] lens care products, pharmaceuticals, intraocular lenses , and other eye surgery products.
Leica Microsystems GmbH is a German microscope manufacturing company. It is a manufacturer of optical microscopes , equipment for the preparation of microscopic specimens and related products. There are ten plants in eight countries with distribution partners in over 100 countries.
John Jacob Bausch (born Johann Jakob Bausch; July 25, 1830 – February 14, 1926) was a German-American maker of optical instruments who co-founded Bausch & Lomb (with Henry Lomb). Over six decades he transformed his small, local optical shop into a large-scale international enterprise, pioneering the American optical industry.
Using the Bausch & Lomb Spectronic 20 Colorimeter, 1962. The Spectronic 20 is a brand of single-beam spectrophotometer, designed to operate in the visible spectrum [1] across a wavelength range of 340 nm to 950 nm, with a spectral bandpass of 20 nm. [2] [3] It is designed for quantitative absorption measurement at single wavelengths. [1]
Bushnell introduced the AR Optics 1-4 scope in 2018. It has a 30mm tube and has an objective lens diameter of 24mm. It has caliber-specific reticles that are illuminated for use in low-light. The AR Optics 1-4 is intended for use with modern sporting rifles. [31]
In November and December 1941, the United States National Defense Research Committee conducted extensive tests between the American Bausch and Lomb M1 stereoscopic rangefinder and the British Barr and Stroud FQ 25 and UB 7 coincidence rangefinders, and concluded "that the tests indicate no important difference in the precision obtainable from ...
Edward Bausch (September 26, 1854 – July 30, 1941) [1] was an American engineer and business executive, who served as president of Bausch & Lomb Optical Company from 1926 to 1935. [2] In 1933, he was named an Honorary Member of the Optical Society "For his preeminent service in the advancement of optics [3]." He was awarded the twelfth ASME ...