The New York trade school's textbook on pattern drafting, suitable for all workers in sheet metal by Neubecker William 1864-

Author:Neubecker, William, 1864- [from old catalog]
Language: eng
Format: epub, pdf
Tags: Sheet-metal work
Publisher: [New York?]
Published: 1905-03-25T05:00:00+00:00

TEXT BOOK ON PATTERN DRAFTING

8i

= 3 feet 6 inches h- 2 = i foot 9 inches. The true length of the common bar would then be equal to CB in Fig. 105 plus the distance aB, which is found by erecting the line from 9 to a. The true length for the hip bar would be found by taking the distance OB"^ in Fig. 106 plus aB\ As the dimension of the jack bar in Fig. 107 is i foot 4 inches, the true length is found by taking the distance CB in Fig. 105, and adding

Fig. 107.

to it, the distance hB, which is found by erecting a line from 4. This length is then measured from the arrow points in the pattern for jack bar D^ in Fig. 102. If desired, all the glass can now be cut, before the skylight is set together, the length of the glass being equal to the length of the bar, and the width equal to the dimensions in Fig. 107, minus \ inch in length and width for play room.

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.