Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the
collection for San Francisco (California, United States) or search for San Francisco (California, United States) in
Your search returned 13 results in 6 document
the hypo-nitrous acid and to cool and agitate the mixture.
The vessels are lined with glass.
This substance has been extensively used for blasting purposes; in the Mt. Cenis and Hoosac tunnels, the operations at Blossom Rock, harbor of San Francisco, in the improvements of the East River, New York, and elsewhere.
(See blasting; tunnel.) Developing about ten times the explosive power of gunpowder, it requires far less drilling and operates so as to lift the rock from its bed without shatreat heat in transportation, or carelessness in handling.
Mowbray's nitro-glycerine Apparalus.
Among the most prominent accidents occurring from these sources were the explosions at Aspinwall and in the office of Wells, Fargo, & Co. at San Francisco, by the former of which forty-five and by the latter six lives were destroyed.
In the case of the Aspinwall disaster the nitroleum had been shipped from Hamburg, where the temperature was 55° or 60° to a tropical climate where the temperatur