A selection of instruments from the November 1947 catalogue:

Switchboard instruments, flush pattern, and projecting pattern, both available with a 3 inch, 4 inch, 6 inch or 8 inch dial.

There were moving iron and moving coil types, which could be supplied with front terminals, the customer's name on the dial, or with a metal rectifier for voltmeters.

A tropical finish was also available.

Moving iron switchboard instruments, flangeless, with a 5 inch inverted dial, and black enamelled, or nickel plated relief case. Ammeters were available from 30 amps to 1,500 amps full scale, voltmeters were from 50 volts to 800 volts.

Moving iron switchboard instruments with a 7 inch dial, cast iron case, A.C. or D.C.

Switchboard instruments with a 12 inch dial, and a cast iron case, finished in black enamel or with a nickel plated relief. Both moving iron and moving coil versions were available.

Moving coil controller instruments in a cast iron case, with 3inch, 4 inch, 6 inch, or 8 inch dials.

Moving iron pedestal adaptor instruments in a cast iron case with a 3 inch, 4 inch or 6 inch dial.

Double case and three case pedestal adaptor instruments.

A D.C. relay for use with circuit breakers, and a moving iron leakage indicator.

Portable moving coil instruments with 3 inch scales, and housed in a polished bakelite case.

A moving iron portable ammeter with a 6 inch or 8 inch scale. On the right is a linesman's detector in a polished wooden case with quantity and intensity coils.

Current transformers without and with a primary.

Oil immersed transformers, and ammeter shunts.

The 'Melior' and 'Neville' cut-in and cut-outs for battery chargers.

The 'Crawley' cut-in and cut-out, and the 'Walsall' cut-out for battery chargers.

A range of switchboard instruments.

Multimeter in a polished bakelite case, and an ohmmeter.

A pedestal housing for meters, and a desk-type case for meters.

Moving coil and moving iron radio instruments with two, three, or four ranges.

Moving coil switchboard instruments, with a polished bakelite or metal case.

Moving iron switchboard instruments with a polished bakelite case.

Moving iron flush meters.

A bus bar ammeter, and a moving coil pocket voltmeter in a polished bakelite case.

A range of cell and battery testers.

Variable resistances for use as shunt field regulators, exciter regulators, or for battery charging.

Some instruments from the July1961 catalogue:

Although the 1950s and early 1960s saw great changes in electrical and electronic engineering technology, the company's products hardly changed. Most of the products were identical to those in the 1947 catalogue, and looked very dated.

Square flush moving iron ammeters and voltmeters
Square flush moving coil ammeters and voltmeters

Available with 4, 5, or 6 inch dials.

Available with a 3, 4, 6, or 8 inch dial.

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