Catalogue
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Shunt Regulator, 20th Century
Inventory Number: 25048
Date: 20th Century
Maker Details: Unknown
Inscription: "AMPS .4 - .1 / NO ACR 32662 / OHMS 1500" on brass plaque upon upper surface.
Size: 210 x 210 x 215 mm (height excluding dial)
Materials: Iron, bakelite?, brass.
Other Given Number(s): Christie's 139, Science Museum Loan 1960-284, 853/3 (white tag).
Notes:
Shunt Regulator, including bakelite? dial with brass half-moon scale marked "LOWER VOLTAGE RAISE", in grey lattice iron casing. Previously catalogued with Shunt Regulator Type O (Inv. Num. 72885), Shunt Regulator Type OA (Inv. Num. 79427).
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