Notes in engineering, 3a, Harvard university (1904)
Kennedy, F[rank] L[owell] [from old catalog], Norton, Arthur Edwin, [from old catalog] joint author · Cambridge, Mass. · leaf 92
TK-ial ;) Bot-t g tno) Mot.CPro portions as ind/cated) same as EH and ^2111 CONVENTIONS •-°- THREADS -^° BOLTS 3cale: PwJ 1 Size. Note.- I . IT-R.H. = F?iqhf Hand; L. H.= Left Hand Th r-ead inr, Tzm.- Hr.- Note that a,a,,a2 ;b, b.jba Q second, < YM- Small threads net thread Okr>d tnos. bolt…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-225-414.webp)
