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Convection in air apparatus

1943-1980

Mounted semiconductor diode by Philip Harris Ltd.

1960-1983

Regnault's hygrometer

1943-1980

Nicholson hydrometer by Philip Harris Ltd

1943-1960

Spherometer by Philip Harris Ltd.

1943-1983

Sensitive suspended-coil galvanometer fitted with pointer and mirror

1943-1980

Centre-zero moving-coil galvanometer marked Harris

1943-1980

Centre-zero moving coil galvanometer by Philip Harris Ltd.

1943-1980

Air cell apparatus for determining the refractive index of a liquid by the critical angle method

1943-1980

Self-contained, reflecting pattern

1943-1970

Apparatus for demonstrating the magnetic field produced by an electric current

1943-1983

Suspended-coil pointer galvanometer No.2092 by Philip Harris Ltd.

1943-1974

Centre-zero moving coil pointer galvanometer by Philip Harris Ltd.

1943-1974

Moving-iron ammeter in angled wooden stand by Philip Harris Ltd.

1964

Centre-zero moving-coil galvanometer sold by Philip Harris Ltd.

1943-1980

Search coil by Philip Harris Ltd.

1943-1983

Van de Graaff generator by Philip Harris Ltd.

1943-1983

Chiropodist's instruments in rolled leather case

1930-1950

Nine hypodermic needles in original carton

Newton's rings apparatus by Philip Harris Ltd.

1943-1980

Centre-zero moving-coil galvanometer

1960-1979

Semi-circular concave mirror in stainless steel

1985

Barlow's wheel, by Philip Harris Ltd., Birmingham

1943-1974

Rotary switch for measuring magnetic flux density by the make-and-break method

1963-1983

Rotating disc apparatus for measuring magnetic flux density

1963-1983

Spark counter

1964-1979

Pair of plastic ring plates

1985

Hand cup anemometer by Phillip Harris Ltd. of Birmingham

1940-1950

Variable focus model eye

1983

Early form of compact light source by Philip Harris Ltd.

1960-1964

Gold-leaf electroscope by Philip Harris Ltd.

1943-1983

Sensitive flame burner by Philip Harris Ltd., Birmingham

Sensitive flame burner by Philip Harris Ltd.

1943-1980

Apparatus for measuring the mechanical equivalent of heat, modified Searle pattern by Philip Harris Ltd., c.1970 (small pulley missing)

Apparatus for measuring the mechanical equivalent of heat

1960-1979

Speed of light apparatus by Philip Harris Ltd., Cat. No. P 42111/5, made in 1984, comprising beam splitter and eyepiece unit, rotating mirror unit, large concave mirror, and L-shaped rod

Speed of light apparatus by Philip Harris Ltd.

1984

Electrically maintained tuning fork by Philip Harris Ltd., Catalogue No. P9962, 1960 to 1970, nominal frequency 256Hz.

Electrically maintained tuning fork by Philip Harris Ltd.

1960-1969

Permeammeter or apparatus for experiments on the magnetic effect of an electric current, by Philip Harris Ltd.

Permeammeter or apparatus for experiments on the magnetic effect of an electric current

1943-1983

Malvern energy conversion kit designed for the Nuffield Physics Teaching Course published in 1966, made by Philip Harris Ltd., Lynn Lane, Shenstone near Lichfield, Staffordshire, WS14 0EE, England, 1988.

Malvern energy conversion kit designed for the Nuffield Physics Teaching Course published in 1966

1988

Rectangular glass bottle for 500, 5 gr. tablets of Barbitone Sodium (approx. 150 tablets remaining). 85 mm x 45 mm x 75 mm, 394g. Produced by Philip Harris chemists, Birmingham, English, expires 1959.

Rectangular glass bottle for 500

1959

Amber glass bottle with bakelite lid half-full of phenobarbital spansules. 123 mm x 47 mm x 27 mm, 124g. Handwritten label is placed over an older one indicating the bottle has been reused. Dispensed by Philip Harris Ltd., Birmingham, English, c. 1947.

Amber glass bottle with bakelite lid half-full of phenobarbital spansules, with handwritten label is placed over an older one indicating the bottle has been reused

1947

Quadrant electrometer, made by Philip Harris Ltd, Birmingham, c.1930-40 and used at Openshaw Technical College, Manchester.

Quadrant electrometer

circa 1935

Demonstration aneroid barometer made by F. Darton and Co. Ltd. and supplied by Philip Harris Ltd., England, 1943-1983

Demonstration aneroid barometer made by F. Darton and Co. Ltd. and supplied by Philip Harris Ltd.

1943-1983

Colour pyramid of light by Philip Harris Ltd.

1943-1983

Potentionometer with four 50cm wires, by Philip Harris Ltd.

Potentionometer with four 50cm wires

1943-1980

Bismuth-Antimony demonstration thermocouple, by Philip Harris Ltd. 1981

Bismuth-Antimony demonstration thermocouple

1981

1 x 500 ml bottle of Amaranth solution B.P.C., used as colouring agent, by Philip Harris 1960-1985

Bottle of Amaranth solution B.P.C.

1960-1985

Basic solenoid set by Philip Harris Ltd., comprising 3 parts

Basic solenoid set by Philip Harris Ltd.

1963-1983

Worcester current balance kit, designed for the Nuffield Physics Teaching Course published in 1966, made by Philip Harris Ltd., Lynn Lane, Shenstone near Lichfield, Staffordshire, WS14 0EE, England, 1988.

Worcester current balance kit

1988

Apparatus for demonstrating the transmission of pressure in a liquid, by Philip Harris Ltd., Birmingham. Metal construction, oil filled, on wooden base

Apparatus for demonstrating the transmission of pressure in a liquid

1943-1980

Kinetic theory model kit (three dimensional) by Philip Harris Ltd., Catalogue No. P7975, consisting of perspex tube fitted with paper piston, metal cap at one end, and rubber diaphragm at the other end, plus card weights, spare diaphragms, reel of binding silk, packet of phosphor-bronze balls, and sticker for attaching to vibrator unit, boxed, as new (without vibrator unit)

Kinetic theory model kit (three dimensional) by Philip Harris Ltd.

1967-1980

Constant pressure gas thermometer by Philip Harris Ltd.

Constant pressure gas thermometer

1943-1960

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