Bancks and Son
Bancks and Son. Instrument makers and Opticians to His Majesty
119 New Bond Street, London (1820-27).
Robert Bancks (or Banks) was an instrument maker to George IV, and had also made instruments for scientists such as Robert Brown.
Bardou
Bardou firm was founded by D. F. Bardou in 1818 and was one of the most popular small telescopes constructor at the end of the 19th c.
Berthoud, Louis
Louis Berthoud (+ 1813) was the best French clockmaker of the beginnings of the 19th c.
Boulitte, G.
G. Boulitte Ingénieur-constructeur, 15-12 rue Babillot, Paris
Ancienne Maison Verdin
Made mainly medical instruments circa 1910-1930
Brillé
The French maker Brillé constructed in 1910 the famous electric pendulum Brillé which distibuted time to periphery clocks is factories, observatories etc.
Casella, L.
L. Casella, Instruments for Observatories, explorers, travelers, Army and Navy.
London
Maker to the admiralty
Central Scientific Company
Central Scientific Company was founded in 1900 in downtown Chicago. It was formed out of what was left of the Olmstad Scientific Company.
Central Scientific manufactured and distributed science teaching equipment for schools, colleges, and universities by catalog mail order. The trademark "CENCO" was used from 1909 onwards.
Cooke T. and Sons
T. Cooke & Sons, York & London (and later "and Cape Town")
T. Cooke was born in 1807 in Allerthope, Yorkshire. He was born to a poor family and, having first to overcome many difficulties, managed to study mathematics and optics. At the age of 22 he manufactured his first achromatic lens. This success led him to establish a small optics firm in York. His meticulous, high-quality work made him a famous telescope maker. After his death in 1868 the firm was continued by his sons.