Health and safety: a hook carrying a load, to represent the necessity of weighing loads of uncertain weight rather than guessing their weight. Photograph with gouache, 194-(?).

[between 1940 and 1949?]

1 photograph : photoprint, with gouache ; sheet 80.8 x 54.1 cm

Check the weight don't guess it The phrase "Check the weight" is painted in black india ink, positioned to suggest it is being spoken by the hook, which has a shape like a human face. The phrase "don't guess it" is in white, apparently as a result of being painted on the negative in reverse

Wellcome Collection 29101i