Paper
testing scale Pic PY 1 Pocket paper scale made by Louis Schopper, fitted in a carry case. The set include a hand held pendulum scale and two cutting helps. The cutting help is made of iron and they measure exact 5x10 cm and 10x10 cm. They are in use for cutting the correct size of cloth stuff. The sample of paper was suspended from the fine wire hook. The estimated weight of a qm of the paper was indicated by the pointer. |