2014.3.1: Tonometer, c. 1929

Additional Images

2014.3.1: Tonometer.
Image No. 3592 ; Photographer: Helen Kingsley

Object Description

SCHIØTZ tonometer, set of three weights, a zero test block and a pipe cleaner in a blue velvet and silk lined case with clasp. The tonometer has a 2cm graduated scale printed on paper fixed to top bar. A SKLAR leaflet giving a description of the instrument [not original to the instrument], a sheet with directions for use, and a graph: 'Deflection of the pointer' signed on the back certifying 'Tonometer no. 341 adjusted. Oslo 25/1 - 29.' stored behind the padded flap inside the lid. 'SCHIØTZ TONOMETER' and it's serial number '341' is stamped into the tonometer. 'PROFESSOR SCHIØTZ ORIGINAL TONOMETER', 'MADE IN NORWAY' and company logo stamped into the case lid. 'Diplomingenior A. Jandberg Oslo, Norway' is stamped in gold lettering onto the silk covered padded flap inside the lid. Case dimensions given.

Object Classification

Accession Number: 2014.3.1
Collection: Ophthalmology
Date: c. 1929

Object Dimensions

  • Length: 17.4 cm
  • Height: 3 cm
  • Width: 7.5 cm

Object Parts

  • a) Lidded case
  • b) Tonometer
  • c) Weight-15
  • d) Weight-10
  • e) Weight-7.5
  • f) Zero test block
  • g) Leaflet
  • h) Directions for use
  • i) Deflection of the pointer graph
  • j) Pipe cleaner

Object Materials

  • chrome plate,
  • copper alloy,
  • gold print,
  • leather,
  • metal,
  • paper,
  • printing ink,
  • steel,
  • textile,
  • unidentified material,
  • wood

Acquisition Detail

  • Manufacturer of part g) : Sklar Manufacturing Co., Inc.
  • Owner: Dr. S. Graham Elliot
  • History of Use: The tonometer measured the internal pressure of the eye and was used for Glaucoma diagnosis. Used by Dr. Elliot an eye, ear, nose and throat specialist who practiced in Vancouver between 1926-1972.