
3 5 c m
40cm
actual image size: 32cm x 27cm
Description
The weight on the arm of these scales is moved along the graduated ivory arm until it balances the object in the pan. The pointer in the bras ring above the pan indicates equilibrium. The fulcrums at the end of the arm are made of gold.
Image Details
Image Ref.
10314157
© Science Museum / Science & Society Picture Library