Wrench we have computed at..,......... cece eee cece eee 1,945 cut-off valve, only when it reaches the top or bottom of M; Co.,” Nos. 28, 25, and 27, Lawrence street, Newark, N. J., Interest on capital invested, at 7 per cent............ 4,793 but when this port is partially cut off by the screw… … 3 men every 24 hours at $1.......... eee e cece eee --o 800 Oil among the Ancients, VI.—CONCENTRATION. ELEVATION OF WORKING PARTS OF THE ENGINE. 2 men every 24 HOUTS...-. eee eee e eee cece eee eens ~ 400 The ancients knew no method of refining oil. Asa great luxury they mixed it with perfumes,…
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-256-104.webp)
