tests by communicating tion, Determination ofMiner- with the Bureau of Ordnance, Navy Dopartment. No- als and Quality of Water. tice of intention to compete in this tria] must be received by the Bureau of Ordnance on or before February 10, 1890. B. F. TRACY, Secretary of the Navy. AURORA TELS. Well… … and furnish eve ig required —or-—— to drill and complete same. Port- HE PENNA. DIAMOND DRILL & MFG. CO. HOW TO MAKE DYNAMO-ELECTRIC VALUABLE PAPERS able Horse Power and Mounted BIRDSBORO, PA., Builders of High Clase Machines.—By Geo. M. Hopkins. With drawings toscale Steam Drilling Machines for 100…
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