Charles Collins, Sr. (1837-c. 1915) produced microscopes and other optical instruments under his own name from 1863 until the early 1900s in London. They were priced in the midrange for such equipment and mainly sold to students, amateur scientists and medical professionals. He was a member of the Royal Microscopical Society in 1866 to 1892.
Full publication information: Collins, 77 Great Titchfield Street, London
Condition: Generally very good with the usual overall wear and oxidation to brass.A glass chimney for the lamp and brass chimney holder are now lacking; according to an article on Microscopist.net, “[Collins Bockett] Lamps with their original chimneys/shades are rare nowadays.”
Stevenson, Bryan. “Charles Collins, senior, 1837- ca. 1915.” Microscopist.net. February 2016. http://microscopist.net/CollinsCSr.html (25 June 2021).