Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 72
COflHURE Za, boo -//JSTE or HgSO, … 5E/ILING WAX^ Fig. 71. Clark Cell. Fig. 72. W4408. W4405. Carliart-Clark Standard Cell |12 50 Single cell in brass case with hole for thermometer, and special graph-ite resistance to prevent short circuiting.W4406. Carliart-CIark Standard Cell $22 50 Similar to ■W4405. Two cells in one case, with…
Electric apparatus and appliances · Equipment and supplies
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