University College

Accession Number: 2009.uc.8

Instrument Name: Actinometer


Case: brown leather or suede, opens like change-purse with a hinged metal snap closure. Instrument: dull grey metal tube with a black plastic cupped eyepiece; the tube rotates; where it rotates, three black measurement scales are marked around its circumference; inscribed “bios-/Aktinometer/Made in Germany”; view through tube is translucent white with turquoise/blue circular spot. Tube marked “125-” and “UC8″ (previous accession number).

Alternative Name:

Primary Materials: leather or suede, metal, plastic, glass

Markings: Old Inventory Number = uc8.

Dimensions (cm): Length = 11 cm, Max. width = 5 cm


When held to a light, in particular the sun, this actinometer could measure the radiation of a heated body.


Associated Instruments:

Manufacturer: bios-/Aktinometer/Made in Germany

Date of Manufacture: Early 20th C.


Donated to UTSIC: No

Historical Notes: