Home instruction for sheet metal workers . , and through 4T, drawing a vertical line down to line 12,meeting it at D, and upward as far as C, making the distancefrom 2 to C1 equal to 2 C1 in elevation in Fig. 139A. ThenC C1 4° & D C, Fig. 145, will be the pattern for the return ofthe foot mold, two of which are required. A notch is cut froma to b in lap 2 2 so as to allow that part from C3 to C4 to turnupward vertically under the panel of the cornice, and allow theshaded part from 2 to a to turn in a horizontal position to meet2 C1 of the return miter in Fig. 139A. This completes all the
Home instruction for sheet metal workers . , and through 4T, drawing a vertical line down to line 12,meeting it at D, and upward as far as C, making the distancefrom 2 to C1 equal to 2 C1 in elevation in Fig. 139A. ThenC C1 4° & D C, Fig. 145, will be the pattern for the return ofthe foot mold, two of which are required. A notch is cut froma to b in lap 2 2 so as to allow that part from C3 to C4 to turnupward vertically under the panel of the cornice, and allow theshaded part from 2 to a to turn in a horizontal position to meet2 C1 of the return miter in Fig. 139A. This completes all the patterns for the cornice, and beforegiving the description of the constructive parts the reader isasked to examine carefully Fig. 146, which shows a photographof the finished cornice which was made at the New York Trade Making an Ornamental Cornice 113 School by a student. After a study of the finished cornice thestudent will have a better idea of the various parts to be formed » GO CS i—i r-t <M CO P C_. €>—CQ Fig. 14S. Pattern for Foot Molding. q:O a:mh- < a. Li. <I LU zo o z Q _lO OO and set together. Note the crown, the panel, the foot mold, the bracket with its diamond panel, sink strips, ornamental drop, etc. The patterns having all been developed are now pricked and cat from the metal in the usual manner, but special instruction 114 Home Instruction for Sheet Metal Workers is necessary in reference to some of the cutting to be done inconnection with the bracket. When the sink strip shown inthe sectional view in Fig. 139 is cut complete and flattened withthe mallet on the stake it has a tendency to stretch, as shown bythe dotted curved line C B, Fig. 147, while it should have the
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
