These are set chain blocks. They are composed entirely of iron. An inscription labels them “Wesca tested”. The first block has two wheels, the second has one. They are used by running a long chain between them. Condition: very rusted.
Source:
W.S. Gilmore
Date of Object:
c.a. 1950
Dimensions:
a) 768 cm L x 1 cm W x 1 cm H, b) 36 cm L x 20 cm W x 10 cm H, c) 32.5 cm L x 21 cm W x 80 cm H