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Polarimeter with Spare Lenses, by Holtzapffel & Co., London, 19th Century

Inventory Number 11462

Acknowledgement: © History of Science Museum, University of Oxford, inv.11462

Item type
Object
Provenance
Purchased from the Royal Astronomical Society
Primary inscriptions
"HOLTZAPFFEL & CO / 64 CHARING CROSS"
Physical material
Glass
metal
Card
rubber
Wood
Object type
Polarimeter
Dimensions
Height: 86mm Width: 132mm Depth: 160mm
Inventory No
11462
Accession Number
1984-11/72c

Description

Polarimeter with two spare lenses and screws wrapped with paper. The polarimeter is encased in wood that is painted black. There is a metal dial on the top of the case with a card scale. There is a glass partition inside, movable by a dial.

The lens for Polarimeter has a Tube with an eyepiece, painted black. At one end there is Rubber? around tube.

The lense holder for Polarimeter is a metal tube; flange to one end with four screw holes.

The Field lens for Polarimeter is of clear circular glass. Fits into wood recess under adapter tube flange.

There are four metal screws for Polarimeter lens holder.

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