38 x 58.8 x 6 (balance) 35.5 x 36 x 70 (case) Wood, iron and brass
Arithmetic balance with its case
38 x 58.8 x 6 (balance) 35.5 x 36 x 70 (case)
Wood, iron and brass
's Gravesande, Willem Jacob, Physices Elementa, Leiden, 1742, Vol. I, p. 42, Tab. V. 