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Dates
1944
circa 1944
Collection
Colleen Crowe Collection
Category
Basic Science Artifacts
Classification
Basic Science, Chemistry
Accession Number
004016001 a-d
Description
A planimeter in a case consisting of the planimeter (a) which is made of black and silver metal and has an adjustable needle and several rotating dials; the tracer arm (b) is made of black metal and consists of a long square shaft with a cylinder at the end; there is also a flat silver device (c); …
  4 images  
Accession Number
004016001 a-d
Collection
Colleen Crowe Collection
Category
Basic Science Artifacts
Classification
Basic Science, Chemistry
MeSH Heading
Chemistry, Analytical -- instrumentation
Chromatography -- instrumentation
Weights and Measures
Description
A planimeter in a case consisting of the planimeter (a) which is made of black and silver metal and has an adjustable needle and several rotating dials; the tracer arm (b) is made of black metal and consists of a long square shaft with a cylinder at the end; there is also a flat silver device (c); the case (d) is coated in black leather and has beige material inside and is fitted to hold the different parts.
Number Of Parts
4
Part Names
a - planimeter - Size: Length 12.8 cm x Width 5.3 cm x Depth 3.0 cm
b - tracer arm - Size: Length 20.9 cm x Width 2.1 cm x Depth 2.8 cm
c - metal attachment - Size: Length 7.0 cm x Width 1.0 cm x Depth 0.3 cm
d - case - Size: Length 23.3 cm x Width 7.5 cm x Depth 4.4 cm
Provenance
It was given to the donor in 1950 by Colleen Crowe, who was a chemist at Hotel Dieu.
Maker
Keuffel & Esser Co.
Site Made (Country)
Germany
Dates
1944
circa 1944
Date Remarks
Appears in a 1944 online catalogue
Material
metal: silver; black
leather: black
fabric: beige
Inscriptions
"K+E // 4236 // Serial No. 11478 // Area of Neutral Circle = 214.68 sq. in. // One revolution of the wheel - 10 sq. in. // For factors for scale drawings see page 11 of // Instruction Book" printed on a label on the inside cover of the case; "KEUFFEL & ESSER CO.// MADE IN GERMANY" printed on the tracer arm.
Permanent Location
Storage Room 0010
0010-F8-5
Condition Remarks
There is some white material stained on the back of the case.
Reference Types
Internet
JPG
Reference Comments
Internet: "K&E 1944 Price List"; CD #3
Research Facts
Used to measure area under curves on chromatograms
Images
Less detail