998.9.9: Spencer HB-Meter, 1950-1975

Additional Images

998.9.9: Spencer HB-Meter.
Image No. 2569 ; Photographer: Helen Kingsley

Object Description

Pocket size 'Spencer' haemoglobinometer [Serial no. 28696] with scale on one side, grams Hb per 100 ml and blood chamber clip on other. A doublesided glass blood chamber with an H-shaped moat and a cover plate are held in the blood chamber clip. Plug for transformer at one end, black rimmed viewer eyepiece on other. Inside is a lamp, a green filter and two 'RAY.O.VAC' 1LP size ''C" 1½ volt batteries. The haemoglobinometer operates both from batteries or with 115 volts A.C. transformer. Pouch, accessory case and transformer are missing.

Object Classification

Accession Number: 998.9.9
Collection: Diagnostic, Clinical
Date: 1950-1975

Object Dimensions

  • Length: 17.2 cm
  • Width: 7.1 cm
  • Depth: 4.2 cm

Object Parts

  • a) Haemoglobinometer with eyepiece, bulb and bulb casing
  • b) Blood chamber clip
  • c) Blood chamber
  • d) Blood chamber cover plate
  • e) Battery
  • f) Battery

Object Materials

  • card,
  • filament,
  • glass,
  • metal,
  • paint,
  • plastic,
  • steel

Acquisition Detail

  • Manufacturer: American Optical Company (Instrument Division)
  • Patent Country: USPatent Number: 2396260 - 2482650, 2486956
  • Owner: Dr. Kai-Sun Chan