Scientific American 47 July 17, 1909. Shellac and oil the faces of these strips. The box is been given to the core, it might be, if well oiled, used now ready to receive the plaster, which should be mixed solid- in the mold when casting the. cement. as follows: Enameled tin or iron ware makes the… … Fig. 10.—PLAN VIEW OF MODEL, ALSO TWO HALVES OF nicely, as shown in Fig. 11, put it back into the wood fore, when a number of duplicate pieces are wanted, MOLD, SHOWING JOGGLES. model. If necessary, tie a string around the pieces it is best to make up a regular mold into which the to hold them in…
Plaster · Mold · Center · Bounding · Boiled · Gatun · Pedro miguel · Scientific American · Plaster sides · Iron core · Final positions · American july · Square abcd · Stove pipe · Cubic yards · Plaster mold
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