Verrill, A. Hyatt (Alpheus Hyatt), 1871-1954 · New York, R. M. McBride & co. · leaf 104
eral times by striking the table or otherobject upon which it rests in order to cause theplaster to settle into all the crevices and to elimi-nate air bubbles which might otherwise form. Leave the mold until thoroughly hard and thenturn it upside down and pull away the clay baseand wall. You will… … Fig. ii
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