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'IMPROVED GRIFFITH CLUB MICROSCOPE'

MAKER: BAUSCH & LOMB

INVENTER: EZRA H. GRIFFITH

c. 1887

Serial Number: 933

Improved Griffith Club microscope with lamp

Improved Griffith Club microscope with lamp

Improved Griffith Club microscope with lamp

parts replacedThese images show the Improved Griffith Club Microscope set up to use a kerosene lamp as light source. Although mine did not come with the parts to hold the lamp on its upright, I made these parts(red arrows, left) to match the rest of the lamp-holding parts and used other examples as models. The parts are made of brass and plated with a Caswell plating system to match the other parts. One image shows the lamp without a reflector, the other shows it with one. In all the illustrations I have seen, the lamp was positioned to the side of the microscope. This would lessen the tendency to cause extraneous glare as the user would look down the eyepiece. A shade (not shown) could also be used to protect the eye from the direct light from the lamp, while its reflected light served to illuminate the specimen.