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Measuring Instruments > Weights

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Measuring Instruments > Gauges

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B2561 Dead weight pressure gauge tester, metal/glass, Crosby S G & V Co / Westinghouse Brake Australasia Pty Ltd / Bourdon, Boston, USA/ Australia, 1880s
This image is not currently available as a higher resolution full colour zoom. This may be because this object has not been moved from storage and re-photographed in recent times.

Object statement
Dead weight pressure gauge tester, metal/glass, Crosby S G & V Co / Westinghouse Brake Australasia Pty Ltd / Bourdon, Boston, USA/ Australia, 1880s
Weights marked 'Crosby...', one gauge marked 'Westinghouse...', other gauge is marked 'Bourdon' with no other indication regarding manufacturer.

Weights patented 11 March, 1884.
Used to test the accuracy of indicated steam pressure of any given steam pressure gauge against one or more of a series of dead weights.

 This text content licensed under CC BY-NC.

Description
Dead weight pressure gauge tester, metal/glass, Crosby S G & V Co / Westinghouse Brake Australasia Pty Ltd / Bourdon, Boston, USA/ Australia, 1880s.
Used to test the accuracy of indicated steam pressure. (-1) Base, (-2:3) two sample gauges, (-4:12) 9 x 20 psi brass sheathed lead weights, (-13) 1 x 10 psi brass sheathed lead weight, (-14) 1 x 5 psi brass ring, (-15) 1 x 2.5 psi brass ring, (-16) 1 x 65 lbs psi brass sheathed lead weight.

Made: S.G. & V. Crosby Co.; Boston, Massachusetts, USA; 1880 - 1889

Made: S.G. & V. Crosby Co.; Australia; 1880 - 1889


Used: State Rail Authority of New South Wales;
Marks
(-1)The following engraved on stem section, 'PAT. MAR. 11-1864'. (-2)Manufacturer's details painted on face, 'STEAM HEATING / WESTINGHOUSE BRAKE / A'SIA PTY LTD'. (-3)Manufacturer's details painted on face, 'BOURDON / STEAM GAUGE / ... / No. 13390 / MADE IN AUSTRALIA'. (-4:12)Following details cast into top face of discs, '4 LBS. AVDP=20LBS SQ IN. / CROSBY / S.G. & V. CO. / BOSTON / U.S.A. PAT'D MAR 11 '84'. (-13)Engraved as for (-12) except rated for '...10 LBS SQ. IN.'
B2561
Production date
1880 - 1889
Height
370 mm
Width
185 mm
Depth
320 mm

 This text content licensed under CC BY-SA.
Acquisition credit line
Gift of State Rail Authority Of New South Wales, 1983
Subjects
+ Transport
+ Measurement
Short persistent URL
Concise link back to this object: http://from.ph/213323
Cite this object in Wikipedia
Copy and paste this wiki-markup:

{{cite web |url=http://from.ph/213323 |title=B2561 Dead weight pressure gauge tester, metal/glass, Crosby S G & V Co / Westinghouse Brake Australasia Pty Ltd / Bourdon, Boston, USA/ Australia, 1880s |author=Powerhouse Museum |accessdate=19 December 2014 |publisher=Powerhouse Museum, Australia}}


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Object viewed 5979 times. Parent IRN: 2138. Master IRN: 2138 Img: 20517 Flv: H:520px W:760px SMO:1 RIGHTS:.