Catalogue
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High Frequency Sliding Inductance, by Marconi Company, London,
Inventory Number: 72720
Date: Early 20th Century
Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.
Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO. 71411 LONDON" printed on brass maker's plaque upon uppers surface of base.
Size: 577 mm (length) x 125 mm (width) x 100 mm (depth) [maximum dimensions]
Materials: Brass, ebonite, mahogany.
Other Given Number(s): Science Museum Loan 1959-219.
Notes:
High Frequency Sliding Inductance, mounted on varnished mahogany base. With lacquered brass knob and sliding support upon two brass cylindrical narrow tubes. With ebonite terminals at both ends of both narrow tubes, all of which have lacquered brass terminals mounted upon.
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