Antique Scientific Instruments

Philip Harris & Co Tangent Galvanometer English Early 20th Century

Philip Harris & Co Tangent Galvanometer English Early 20th Century
Philip Harris & Co Tangent Galvanometer English Early 20th Century
Philip Harris & Co Tangent Galvanometer English Early 20th Century
Philip Harris & Co Tangent Galvanometer English Early 20th Century
Philip Harris & Co Tangent Galvanometer English Early 20th Century

Philip Harris & Co Tangent Galvanometer English Early 20th Century
Dial reading Philip Harris & Co (1913 Ltd) Birmingham, England. With magnetic needle over silvered dial. Each quadrant graduated from 0 to 90. Vertical wire coil over circular frame. In glass dome over 7-inch diameter mahogany tripod stand.
Philip Harris & Co Tangent Galvanometer English Early 20th Century