Educational woodworking for home and school (1908)
Park, Joseph C · New York, MacMillan · leaf 45
es on a platinum-iridium bar atzero degree Centigrade. This bar is deposited in theInternational Bureau of Weights and Measures, Paris,France. 2. The unit of surface is the are. 3. Theunit of capacity is the liter. 4. The unit of solidityis the stere. 5. The unit of weight is the gravi. The tables… … Fig. 3. — Rule. Boxwood, two-feet, four-fold, square joint, bound. halves, quarters, eighths, and sixteenths. For con-venience in shop practice, a rule is made to fold, suchas fourfold, sixfold, etc. Rules are also madein different lengths, but the most common size is the2-foot, fourfold length.…
Manual training · Woodwork
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
