Bank of England bullion balance, devised by J Barton, 1820.

 
Bank of England bullion balance, devised by J Barton, 1820.
4 0 c m
 
31cm
actual image size: 23cm x 32cm

Description

This balance features a steel beam 28 inches long inscribed on one face 'Bank of England ad 1820' and on the reverse face 'J Barton, Invr. AD 1820; Maudslay and Co. Fecerunt'. It has fitted steel knife edges, and pan shackles with double steel bearing planes. The device incorporates a downward pointer and gravity screw bobs for sensitivity adjustment.

Image Details

Image Ref.
 
10306128

© Science Museum / Science & Society Picture Library

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