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Ozonometer (L. Golaz)

University College

Silver metal rectangular box with stopcock projecting from bottom; base filled with cement for support; tube with reservoir cup and stopcock rising vertically from top parallel with 15 cm mercury centigrade thermometer, labeled “Richard Müller – URI Braunscweig”; two brass eyepieces with glass lenses, one on each end of the box – eyepiece with flat black metal light guard on one end, another on opposite end to provide light; mounted on adjustable brass post on round brass base labelled “no. 134 L. Golaz Constr. 23 Ave du Parc Montsouris, Paris”

Accession Number: 2009.uc.34

Alternative Name:

Primary Materials:

Metal: Copper Alloy (Brass), Metal: Iron Alloy, Glass,

Markings:

Thermometer: “Richard Müller – URI Braunscweig”; Instrument base: “no. 134 L. Golaz Constr. 23 Ave du Parc Montsouris, Paris”

Dimensions (cm): 46.5 x 14 x 15 (thermometer) cm

Function:

Condition:

Associated Instruments:

Manufacturer: L. Golaz, Paris

Date of Manufacture: 1889-c.1910

Provenance:

Department of Physics, University of Toronto

Additional Information and References:

Identified with reference to this near-identical instrument labelled as “Ozonometer” (object number 1995-1842) in the collection of the Science Museum, London.

Historical Notes:

Themes: