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EEL Lightmaster Photometer serial no. 18-3486 (a light meter)

EEL Lightmaster Photometer serial no. 18-3486 (a light meter)

1960-1969 (estimated)
Crawford UV monitor type 760 by the Littlemore Sci. Eng. Co. Oxford

Crawford UV monitor type 760 by the Littlemore Sci. Eng. Co. Oxford

1960-1969 (estimated)
One Megohm (at 20ºC) standard resistor

One Megohm (at 20ºC) standard resistor

1943
"Westminster" type MSP vacuum tube detector (high voltage indicator for showing whether a transmission line is live) patent no. 519919 made by The Westminster Eng. Co. Ltd., London, NW10., for use up to 11,000 volts, marked 2405/34, probable date 1934.

"Westminster" type MSP vacuum tube detector

1934
High voltage indicator (for checking whether a transmission line is live) model no. 1 serial no. D80003 by Ferranti, for earthed neutral systems 3kV to 11kV, two range with electrostatic meter reading 5kV or 11kV, with attached earth lead and polythene insulated extension rod, in fitted wooden case, probable date 1974.

High voltage indicator (for checking whether a transmission line is live) model no. 1 serial no. D80003 by Ferranti

1974
Thermoluminescence dating equipment by The Littlemore Scientific Engineering Co. Ltd., Railway Lane, Littlemore, Oxford, England, 1973-1977. The first model specifically for this purpose, with three photomultiplier tubes, two Edwards rotary vacuum pumps, electronics rack, dual oven unit eht controller, and Hewlett Packard 7305B x-y recorder, used at the British Museum, Department of Scientific Research, for dating ceramics etc. from important archaeological finds.

Thermoluminescence dating equipment by The Littlemore Scientific Engineering Co. Ltd.

1973-1977
High voltage indicator (for checking whether a transmission line is live) model no. 1 serial no. D80004 by Ferranti, for earthed neutral systems 3kV to 11kV, two range with electrostatic meter reading 5kV or 11kV, with attached earth lead, polythene insulated extension rod, proving unit (to provide a test voltage) and Ferranti phasing indicator (for fitting over the meter) in fitted wooden case, probable date 1974.

High voltage indicator (for checking whether a transmission line is live) model no. 1 serial no. D80004 by Ferranti

1974