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A group of scientific instruments including a Cossor oscillograph model 1039M, serial no.7417, two megacycle and kilocycle reading devices, both with applied plaques 'M.C.R.I.', with serial numbers 56410 and 74580, a War Department issue ohmmeter by A.E.M. Ltd and a number of further War Department and Air Ministry issue microamperes volt, ammeter D.C.2, thermo-ammeter and accepted dashes measuring instruments.
An Air Ministry issue universal avometer with leather strap, a number of milliamperes and further ammeter and voltmeters, some with Air Ministry and broad arrow marks with one mounted on a brass stand, also a simulator type 375 ohmmeter, serial no.5396 with further stamp for the Telecommunications Lab B.I.C.C Ltd.
Electrical test equipment- a vintage Bakelite Weston direct reading ohmmeter model 1; a Davenset high rate discharge tester; a Cambridge Dynamometer Voltmeter in mahogany case; a Meg IT3 insulation tester; a Sencore TF30 Supert Cricket transistor/FET tester; a Delta Electronics operating impedance bridge OIB1; a Bicotest T535 cable test fault locator; an Elliott MIS ammeter and miniature current transformer (cased).

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109 item(s)/page