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Tuned Field Transmitter, by Marconi Company, England, 1907

Inventory Number: 87142

87142-2t 87142-1t 87142-3t 30667-87142-1t

Date: 1907

Maker Details: Attributed to Marconi's Wireless Telegraph Co. Ltd.

Inscription: None

Size: 415 x 380 x 250 mm

Materials: Brass, mahogany, glass, ebonite.

Other Given Number(s): Christie's 41, Science Museum Loan 1924-493, 788/2 (white tag).


Tuned Field Transmitter, with brass spark gap and tuned circuit on mahogany and ebonite flat case containing sixteen (of eighteen) horizontal Leyden jars. It was tuned by a bank of Leyden-jar capacitors and was driven by an induction coil on which the Morse key was mounted. Previously catalogued with Induction Coil (Inv. Num. 30667).

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