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W.D. Bowkett Pocket Thermograph
Specifications
W.D. Bowkett Pocket Thermograph
Category
Science and Technology
Classification
CHENHALL - Tools & Equipment for Science & Technology - Thermal T&E - Thermometer - Thermograph
Object Origin
Inventor:
Bowkett, W. D.
Date Built:
c. 1870
Place of Production:
Birmingham, England
Physical Characteristics
Object Description: Thermograph (a) with removable lid (b) and small metal key (c). Circular white paper graph with a thin metal needle attached to the top. Lid has white text embossed on front in concentric circles. Key has two (2) circles as the handle and a small cylindrical pin. The pin fits into a small hole on the back of he thermograph.
Marks: Outer ring: "W.D. BOWKETTS / PATENT THERMOGRAPH" Inner ring: "40 / SALT & SON / SOLE LICENSEES / BIRMINGHAM"
Measurements: Total Size:
Height: 0.75 in, Diameter: 3.5 in
Weight: 0.334 lbs
Credit
Museum Purchase, 2010.1.4a-c
Display Status
On Exhibit
W.D. Bowkett Pocket Thermograph
About: W.D. Bowkett Pocket Thermograph
About: W.D. Bowkett Pocket Thermograph
Made by W. D. Bockett, this pocket thermograph from the 1870s was used to graph body temperature, ranging from 98 to 106 degrees Fahrenheit, over the course of a day. As the printed paper dial rotated, the thin metal lever, which would hold a pen, would be carried outwards from the center of the sheet if temperature rose and inwards if temperature fell.
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