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Jaderin type base-line apparatus, British, 1885

1885

Vertical induction coil with water regulator

1850
Induction coil, Stohrer type(?), vertical coil with ebonite cover-plate, trembler arrangement, with 2 cylindrical electrodes, made by John Weiss and Son, 62 Strand, London, England, 1875-1885.

Induction coil

1875-1885
Horizontal induction coil in broken rectangular wooden case, with 2 small cells, electromagnet trembler arrangement and terminals, English, 1855-1865

Horizontal induction coil in broken rectangular wooden case

1855-1865