Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 146
. J. Clark by means ofwhich we are enabled to offer a simple form of demonstration apparatuswhich is sufficient for schools and students to demonstrate the fundamen-tal sequence of the involved phenomena. This outfit is described andlisted below: W6073. Small Wireless Outfit .140 00 Consists of… … 142 EVERSHED PORTABLE DIRECT READING. OlIMHETER WITH MAOXETIC OEXERATOR.
Electric apparatus and appliances · Equipment and supplies
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