Hendy Iron Works; Industrial buildings; Iron-works; People; Postcards; Santa Clara County (Calif.)--History; Sunnyvale (Calif.);
Black-and-white photograph on front of postcard of the interior of the Hendy Iron Works in Sunnyvale, Calif. Hendy Iron Works relocated to Sunnyvale after the San Francisco plant was destroyed in the 1906 earthquake. It was the first large...
New Almaden Mines; Hardware;Mining equipment; Receipts
Duplicate receipt for purchase of 6 glass tubes by Quicksilver Mining Co. from Conroy & O'Connor, Importers of Hardware, Iron, Steel, and Other Metals, San Francisco, Nov. 30, 1864, (No.13 on verso)
Earthquakes; Santa Clara College (Calif.); San Francisco Earthquake and Fire, Calif., 1906; Santa Clara College (Calif.)
The students of Santa Clara College camped out in the yeard after the great earthquake, April 18th, 1906. Wooden beds - 1st Division; iron beds - 2nd Division.
Scientific apparatus and instruments; Induction coils
The Ruhmkorff induction coil consists of two separate coils of wire one inside the other wound around a cylinder with a central core of soft iron rods. When a current is passed through the first primary coil, current is induced in the secondary...
Scientific apparatus and instruments; Santa Clara University (Calif.); Induction coil
The Ruhmkorff induction coil consists of two separate coils of wire one inside the other wound around a cylinder with a central core of soft iron rods. When a current is passed through the first primary coil, current is induced in the secondary...
