BCMA Medical Museum

Object Description

Electrical glass slide viewer. Solid stand with movable light source and lens, and mirror housing. The insitu lens casing can be adjusted by a lever, whereas the screw-in lens can be removed. The rectangular mirror can be removed and has a cover. The slide is held in an upright stage with 2 stage clips either side. The power unit consists of coils within a perforated cylinder housing with 2 electrical cords. 1 leading to the lamp source with 'BRYANT 660W 250V MADE IN U.S.A.' engraved into the lamp holder and a 'GE' lamp screwed in place. The second lead, with a plug, is attached to 2 terminals on the cylinder housing. Numbers 22464-21 are engraved into the stand base. 2 metal labels with manufacturer's details are attached to both the stand base and cylinder housing.

Object Classification

Accession Number: 995.4.139
Collection: Diagnostic, Laboratory
Date: 1901-1950

Object Dimensions

• Height: 25 cm

Object Parts

• a) Cast iron stand, lamp housing, slide holder with 2 stage clips, lens housing, lens tube with adjustment handle and mirror
• b) Lens
• c) Mirror cover
• d) Cylinder housing with connecting terminals, element wrapped around ceramic core, 2 sleeved electrical cables ending in plug and lamp holder
• e) 'GE' lamp

Object Materials

• Bakelite,
• card,
• cast iron,
• ceramic,
• chrome plate,
• coating,
• copper alloy,
• filament,
• glass,
• metal,
• silvering,
• steel,
• textile

Acquisition Detail

• Manufacturer: Bausch & Lomb Optical Co.
• Owner: Dr. Andrew Davidson