Catalogue
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Experimental Billi Condenser, c. 1900
Inventory Number: 24292
Date: c. 1900
Maker Details: Unknown
Inscription: None
Size: 355 x 255 x 140 mm (excluding terminals)
Materials: Copper?, steel?, ebonite, brass, mahogany, plywood, bakelite, celluloid.
Other Given Number(s): Christie's 181.
Notes:
Experimental condenser'>Billi Condenser, with ebonite-handled brass control rod, mounted on a plywood base. With spark-gap, and copper? and steel? six-coil tuned circuit. Spark-gap is enclosed in mahogany case with brass dial on bakelite base and four terminals on exterior surface. Terminals are brass with a pair on upper surface and a pair on base (marked "BATTERY" with celluloid marker).
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