Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 211
Fig. 90. Gang-Mold for Cement Briquettes. … Fig. 91 Metal Clip for TestingBriquettes. upon a glass or slate slab, thehands being protected by rubbergloves. 195. STORING THE BRI-QUETTES OR TEST PIECES.During the first 24 hours aftermolding, the test pieces are storedin a damp atmosphere to preventthem from drying out. They arethen immersed in…
Building · Carpentry · Masonry
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
