Coronavirus (COVID-19) While museums are closed, the Science and Society Picture Library prints site is fully operational and we have added an FAQ page here.

Bras self-indicating letter balance, 1863

Bras self-indicating letter balance, 1863
4 0 c m
actual image size: 25cm x 32cm


Hall's patent letter balance made by Parnell, London. The balance, used for weighing letters to calculate the cost of postage, indicates from 0 to 4 ounces.

Image Details

Image Ref.

© Science Museum / Science & Society Picture Library

buy a print

Select size
Select finish
How many prints?

buy a framed print

buy a canvas

buy a framed canvas