FOOTNOTES:1.April 19th, 1901.2.G. M. Bond in a lecture delivered before the Franklin Institute, February 29th, 1884.3.Report on Standard Screw Threads, Philadelphia, 1884.
FOOTNOTES:
1.April 19th, 1901.
2.G. M. Bond in a lecture delivered before the Franklin Institute, February 29th, 1884.
3.Report on Standard Screw Threads, Philadelphia, 1884.