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Date
Pregnancy testing kit

Pregnancy testing kit

1980
Heurtley magnifier, 1919

Heurtley magnifier, 1919

1919
Receiving/Transmitting Unit for Telephoto Equipment

Receiving/Transmitting Unit for Telephoto Equipment

1947
Enlarger, type D-496-A no. 163417 by Muirhead and Co. Ltd.

Enlarger, type D-496-A no. 163417 by Muirhead and Co. Ltd.

1949
Red Filter and Lens Cap for Enlarger by Muirhead and Co. Ltd.

Red Filter and Lens Cap for Enlarger by Muirhead and Co. Ltd.

1949
Muirhead-Belin portable picture transmitter scanning unit, 1948

Muirhead-Belin portable picture transmitter scanning unit, 1948

1948
Siphon recorder

Siphon recorder

1955
Decade oscillator

Decade oscillator

1959
Microfarad condenser

Microfarad condenser

1906
Boxed tube of "Sarakan" toothpaste

Boxed tube of "Sarakan" toothpaste

1971-1975
'Tox HA test' blood testing kit, London, England, 1979

'Tox HA test' blood testing kit, London, England, 1979

1979
Wheel or steel-disc coherer (thin-film detector), 1902

Wheel or steel-disc coherer (thin-film detector), 1902

1902
leather toolbag, circa 1935

leather toolbag, circa 1935

circa 1935
D'Arsonval galvanometer no. 151667

D'Arsonval galvanometer no. 151667

1947
Servo Amplifier type D-614-D

Servo Amplifier type D-614-D

1960
Muirhead-Wigan Decade Oscillator

Muirhead-Wigan Decade Oscillator

1964
Bottle of tetanus vaccine, 1941.

Bottle of tetanus vaccine, 1941.

1941-1943
Muirhead-Belin portable picture transmitter scanning unit, 1948

Muirhead-Belin portable picture transmitter scanning unit, 1948

1948
Stand for Enlarger by Muirhead and Co. Ltd.

Stand for Enlarger by Muirhead and Co. Ltd.

1949
Selection of Accessories for Enlarger by Muirhead and Co. Ltd.

Selection of Accessories for Enlarger by Muirhead and Co. Ltd.

1949
MRC EPU, part of Dr. Richard Sloan's Zero Gradient Aural Thermometer system

MRC EPU, part of Dr. Richard Sloan's Zero Gradient Aural Thermometer system

1975-1985
Variable condenser

Variable condenser

1948
Phasemeter power supply unit type D729-BS no. 297307

Phasemeter power supply unit type D729-BS no. 297307

1957
Decade oscillator

Decade oscillator

1958
Oscillator, R.C., type D-330-B no. 163004

Oscillator, R.C., type D-330-B no. 163004

1949
Coupled phonic motors

Coupled phonic motors

Heurtley magnifier, 1919.

Heurtley magnifier, 1919.

1919
Paper-covered pine wood box, containing 'Wellcome' concentrated diphtheria antitoxin

Paper-covered pine wood box, containing 'Wellcome' concentrated diphtheria antitoxin

1920-1950
Commercial model of a wheel or steel-disc coherer (thin-film detector), made by Muirhead and Company, Beckenham, London, England, 1902. For use by the Lodge-Muirhead Wireless and General Telegraphy Syndicate Ltd.

Wheel or steel-disc coherer (thin-film detector), 1902

1902
Small fitted wooden box with space for three components (one only present) from commercial model of a wheel or steel-disc coherer (thin-film detector), Muirhead and Company, Beckenham, London, England, 1902. For use by the Lodge-Muirhead Wireless and General Telegraphy Syndicate Ltd.

Wooden box from wheel or steel-disc coherer (thin-film detector), 1902

1902
Metal cover inscribed ‘Muirhead & Co / Westminster / No 15,959’ for commercial model of a wheel or steel-disc coherer (thin-film detector), Muirhead and Company, Beckenham, London, England, 1902. For use by the Lodge-Muirhead Wireless and General Telegraphy Syndicate Ltd.

Wheel or steel-disc coherer (thin-film detector), 1902

1902
Box containing quartz fibres for Heurtley magnifier, Muirhead and Company Limited, Beckenham, 1919.

Quartz fibres for Heurtley magnifier, 1919

1919
Laboratory glassware, 2 identical straight connnection cone/flexible tubing adapters, made by Laboratory Glassware Manufacturers Ltd., Beckenham, Kent, England, 1934-1980. The objects have 'L G M' and the cone size 'B34' printed in blue.

straight connnection cone/flexible tubing adapters

1934-2000
B19/B24 expansion adaptor, made by Laboratory Glassware Manufacturers Ltd., 200 Ravenscroft Road, Beckenham, Kent, UK, date of manufacture unknown. The object bears a blue "LGM" logo, and blue "B19" and "B24" inscriptions.

B19/B24 expansion adaptor

Unknown
Glass flask, round bottom, two neck flask (ground glass centre neck and one angled ground glass side neck), made by Laboratory Glassware Manufacturers Ltd, Beckenham, Kent, England, 1934-1980. The object has 'L G M' and the socket sizes 'B24' and 'B19' stamped on the necks of the flask in blue.

Round bottom, two neck flask (ground glass centre neck and one angled ground glass side neck)

1934-1980
Laboratory glassware, splash head with pear shaped bulb and vertical delivery, made by Laboratory Glassware Manufacturers Ltd., 200 Ravenscroft Road, Beckenham, Kent, date unknown. Object has the manufacturer's initials "LGM" and the cone size "B19" printed above the side-arm cone.

Splash head

Unknown
Laboratory glassware, chromatography column with ground glass neck and plastic tap. Made by A. W. Dixon, London SE 20, England, date of manufacture unknown. The object is inscribed with a red trademark "A. W. Dixon" "London SE 20" in a red hexagon, and "Interflow" in blue on the tap barrel.

Chromatography column with ground glass neck and plastic tap

unknown
Stopcock, "Rotaflow" plastic bore stopcock with a ground glass upper socket and ground glass lower cone, with a red plastic tap, made by London Glassware Manufacturers Ltd, 200 Ravenscroft Road, Beckenham, Kent, UK between 1982 to 2000. The object is marked with the red "Rotaflow" trademark and the blue "LGM" trademark.

Rotaflow stopcock

1982-2000
glass flask, 100ml pyrex conical (Erlenmeyer) flask with ground glass neck (joint size B19), made by Laboratory Glassware Manufacturers Ltd., Beckenham, Kent, England, date unknown. The object has the trade mark 'PYREX' printed in white above the words 'MADE IN ENGLAND' and a square white marking spot and has 'approximate volumes' '50' '75' and '100' also marked in white on the body of the flask. The object has the manufacturers trade mark 'LGM' and 'B19' stamped in blue on the neck of the flask.

100ml conical (Erlenmeyer) flask with ground glass neck

unknown
Glass flask round bottom and wide socket inscribed with "LGM" and "B24" on neck, made by Laboratory Glassware Manufacturers Ltd., 200 Ravenscroft Road, Beckenham, Kent, UK, date of manufacture unknown.

Glass flask

unknown
Frequency analyser type D-669-A No.255341 by Muirhead and Co Ltd, 30Hz to 30kHz in six ranges

Frequency analyser type D-669-A No.255341 by Muirhead and Co Ltd

1960-1969
Weston standard cell type D-402-A serial no.154508, by Muirhead and Co. Ltd.

Weston standard cell type D-402-A serial no.154508

1950
Muirhead-Belin portable picture transmitter scanning unit with phone attachment and two-piece carry case, type D-368-AM, no. 144985 M, Muirhead and Coompany Limited, Beckenham, 1948

Muirhead-Belin portable picture transmitter scanning unit, 1948

1948
Cable for connecting Muirhead-Pametrada Wave Analyser to Supply Unit (stored in base of supply unit case)

Cable for connecting Muirhead-Pametrada Wave Analyser to Supply Unit

1960-1964
Coaxial input lead of Muirhead-Pametrada Wave Analyser (stored in base of supply unit case)

Coaxial input lead of Muirhead-Pametrada Wave Analyser (stored in base of supply unit case)

1960-1964
Muirhead-Pametrada Wave Analyser, type D-489-GM serial no.349364, made by Muirhead & Co Ltd.

Muirhead-Pametrada Wave Analyser

1960-1964
Mains lead for Supply Unit for Muirhead-Pametrada Wave Analyser (without mains plug: stored in base of supply unit case)

Mains lead for Supply Unit for Muirhead-Pametrada Wave Analyser

1960-1964
"Tox HA test" haemagglutination kit for the detection of antibodies to Toxoplasma gondii, Wellcome Reagents Ltd., England, 1981, with instruction booklet

"Tox HA test" haemagglutination kit for the detection of antibodies to Toxoplasma gondii

Standard resistance type D-558-C, 2 Megohm +- 0.5%, by Muirhead and Co. Ltd., Beckenham, Kent, no.179031

Standard resistance type D-558-C

1950
pH meter type D-303-B with spare dip electrode made by Muirhead and Co. Ltd., Beckenham, Kent, 1940-1950

pH meter type D-303-B with spare dip electrode made by Muirhead and Co. Ltd.

1940-1950