Signedunsigned
Inscribedon box lid: "RULES FOR USE OF BALANCE AND WEIGHTS. 1. Weights must not be touched with fingers. (Use forceps). 2. Lower knife edges before adding or removing weights (0.5 grams or above) from pan. 3. Under no circumstances set individual weights on table or floor of balance. Those not in actual use must be returned to proper positions in box."
FunctionStandard weights for use in a precision balance. The forceps, as indicated in the instructions, are to manipulate the weights.