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Triple Crystal Detector, Early 20th Century

Inventory Number: 84133

84133-2t 84133-1t 28254-84133-1t

Date: Early 20th Century

Maker Details: Unknown

Inscription: None

Size: 100 x 75 x 100 mm (total height)

Materials: Brass, copper, ebonite.

Other Given Number(s): Christie's 129, 841 pt (white tag).


Triple Crystal Detector, with swivelling support crystals, screw contact with copper tip, and weight-adjusting screw on pivoted arm, on ebonite base. Previously catalogued with Eight Graduated Swivelling Coils (Inv. Num. 28254).

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