Gear's illustrated catalogue of wood and iron working machinery (1872)
A.S. Gear, Gear, A. S · Boston : Printed at A.S. Gear's printing office, 62 Sudbury Street · leaf 138
Illlllllll ]iM^^m^ SeMi|i,^V i^^teiit Clikiiipior^ S^ife kr^dSui^glkf ^kfe^. … f^ioof k^h.ii\^t tl\Q i]low-cpipe k^ well k^ tl\e f)iill. The most eifective tools in the hands of burglars are wedges, nitro-glycerine and gun-powder. The first opensthe joints or cracks to admit the latter, and when this is effected the rest is easily accomplished. There are but fewsafes now made…