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"Silent Six" electric extractor fan in brown pheno

Domestic Appliances

1934-1938

Veterinary thermometer, England, 1950-1978

Clinical Diagnosis

1950-1978
Cardboard folding white reflector and Photolux flashbulb holder for fitting to torch. In original packing with carton of Photoflux lamps (bulbs missing). Card tube. Silvered paper wrapping. With instructions.

Johnson Indoor Photography Outfit

Photographic Technology
Floodlight, pressurised paraffin, as used by British Rail Permanent Way gangs during night working, District Engineer's dept., York, by Tilley Ltd., Hendon, 1945-1965.

British Rail permanent-way floodlight

Tools of the Trade & Personal Accessories

1945-1965

Box of "Argentic" silver nitrate caustic points

Surgery

Standard Exposure Calculator

Photographic Technology

1920-1940
`Sylentflo' Electric Hair Dryer, MK. II- Ivory, (230V-250V, 400W, No.9987) by Fractional H.P. Motors Ltd., Hendon, London, England, 1945-1965

`Sylentflo' Electric Hair Dryer

Domestic Appliances

1945-1965
Small flash containing 15 grains of gold chloride. Johnson and sons

gold chloride

Photographic Technology
Johnsons of Hendon Ltd, London. Spiral developing tank adjustable for size 116, 120, 127, 35mm and 16mm filmsl spring locked in each position. Black bakelite; in orginal carton with instructions.

Johnson Universal Adjustable Developing tank

Photographic Technology
Fixed focus enlarger for printing postcards from negatives up to 3 1/4 x 2 1/4". In original box with instructions.

Johnson Exactus postcard printer

Photographic Technology
Johnsons of Hendon. For 2x2" slides in magazines; Dallmeyer Projection lens F:4" f/3.5, No. 311693. Automatic projection, screen time control; three lamp brightnesses. With instructions.

Johnson Autoscope projector

Photographic Technology
24mm push-on lens hood, in original carton.

Johnson Precision Lens Hood

Photographic Technology
Johnsons of Hendon Ltd, London. 115cc bottle of intensifier solution.

Johnsons Uranium Intensifier

Photographic Technology
Moving coil galvanometer Manufactured by Everett, Edgcumbe and Company Limited

Moving coil galvanometer

Electricity and Magnetism

1937
Bottle of white ink for titling photographs and lantern slides.

Johnson white ink

Photographic Technology
Johnson precision lens hood original carton.

Carton For Johnson Precision Lens Hood

Photographic Technology
Johnson Precision Lens Hood 42. In original carton, 42mm.

Johnson Precision Lens Hood 42

Photographic Technology
Printing frame in balck bakelite. For 2 1/4 x 3 1/4 inch negatives. Johnsons of Hendon.

Johnson's printing frame

Photographic Technology
Negative carrier for use with Johnson V/18 and V/25 enlargers.

Johnson Universal Unit Enlarger negative carrier

Photographic Technology
Nitrogen filled mercury thermometers, glass, scale 0-400 degrees centigrade, by F. W. Johnston and Daughter, Hendon, 1950-1978

Nitrogen filled mercury thermometers, glass, scale

Clinical Diagnosis

1950-1978
Three 2 1/2 x 3 1/2 transparent red masks; oval, rectangular and rectangular with rounded corners.

Johnson See-Thru printing mask

Photographic Technology
Six colour glass filters in original packing; 21mm, 23mm, 25mm, 28mm, 33mm, 38mm.

Johnson Precision Colour Filters

Photographic Technology
Colour filter; 30mm diameter yellow glass filter; in transparent plastic case.

Johnson Precision Colour filter

Photographic Technology
Johnsons magnesium ribbon in original packet.

Johnsons magnesium ribbon in original packet.

Photographic Technology
Exposure calculator, plastic, case enclosing indented dial. Johnson Artificial Light Calculator

Exposure calculator

Photographic Technology
Bottle of silver nitrate, by Johnsons of Hendon Limited, London, NW4, England.

Bottle of silver nitrate, by Johnsons of Hendon Li

Materia Medica & Pharmacology
Four packets of three 2 1/2 x 3 1/2" red transparent masks.

Johnson See-Thru Printing Masks

Photographic Technology
Fahrenheit clinical thermometer, glass, by F. W. Johnston and Daughter, Hendon, 1950-1978

Fahrenheit clinical thermometera, glass, by F. W.

Clinical Diagnosis

1950-1978
Exposure meter, metal box case with window an ddial on front. Made by Everett, Edgcumbe, London. No.445254

Exposure meter

Photographic Technology
Johnsons of Hendon. Developing tank with transparent spiral, adjustable for: 16mm, 35mm (1x36 exp, 2x20 exp), 127 (1 or 2), 120 (1 or 2), 116. In original carton.

Johnson Roto-Two developing tank

Photographic Technology
In original cartons; No 25, 23/25mm; No 27, 25-27mm; No 29, 27-29mm; No 36, 33-36mm; No 42, 38-42mm.

Johnson Precision Filter Mounts

Photographic Technology
Tin of Johnson's No.2 flash powder for outdoor work. 1oz tub, Originally with separate oxidant, now mixed. About one quarter of the powder remaining.

Tin of Johnson's No 2 Flashpowder

Photographic Technology
Bakelite spiral developing tank for 120 films. 300cc capacity with stirring rod. Johnsons of Hendon

Johnson developing tank

Photographic Technology
Spiral rollfilm developing tank adjustable for 120, 127, 116, and 35mm. Black bakelite. Johnsons of Hendon.

Johnson's adjustable developing tank

Photographic Technology
Two boxes of self-adhesive photo mounts made at 93 Church Road, Hendon

Arrowmounts

Photographic Technology

1958-1960
Mercury thermometer, scale 10-115 degrees centigrade, by F. W. Johnston and Daughter, Hendon, 1950-1978

Mercury thermometer, scale 10-115 degrees centigra

Clinical Diagnosis

1950-1978
Nitrogen filled mercury thermometer, glass, scale-5-50 degrees centigrade, by F. W. Johnston and Daughter, Hendon, 1950-1978

Nitrogen filled mercury thermometer, glass, scale-

Clinical Diagnosis

1950-1978
Johnson & Sons, Hendon, London NW4. Lead foil covered packet of developer powder.

Johnson's Metol Quinl developer

Photographic Technology
moving coil galvanometer in wooden case. manufactured by Everett Edgcumbe, 1945

Everett Edgcumbe galvanometer

Electricity and Magnetism

1945
Johnson 'Do-It-Yourself' photographic outfit, No.1. Manufactured by Johnsons of Hendon Ltd. 1957. In original packaging.

Johnson 'Do-It-Yourself' photographic outfit No 1

Photographs

1957
Deckle-edger by Johnsons of Hendon, manufactured by Vale Engineering Co. (Chertsey) Ltd., England

Deckle-Edger by Johnsons of Hendon

Photographic Technology
Johnson Precision lens hood for 50mm diameter aluminium lens hood for 32mm lens mounts.

Johnson precision lens hood

Photographic Technology
Set of three masks size 2 1/2 x 3 1/2 inches - oval, rectangular, square and rounded corners. Set of three masks size 2 1/4 x 2 1/4 inches in round and square. Johnsons of Hendon.

Johnsons' See-thru Printing Mask

Photographic Technology
Rotary calculator for reversal films. Based on BS exposure tables B5935/1957.

Johnson Colour and Cine Calcualtor

Cinematography
Johnsons of Hendon Ltd, London. Two foil sealed packs marked A and B, to make 300cc solution. In orginal carton with instructions.

Johnson Pactum Unitex Fine Grain Developer

Photographic Technology
Johnsons of Hendon. Sizes up to 2 1/2 x 3 1/2 inches. In original carton.

Johnson Plastic Printing Frame

Photographic Technology
Disc type calculator, plastic, in envelope with instructions.

Johnson Colour Exposure Calculator

Photographic Technology
Neutral litmus paper, from the portable laboratory owned by Dr. H.G Butterfield, by Johnson and Sons, Hendon, London, 1930-1940

Neutral litmus paper

Microscopy (Wellcome)

1930-1940
One ounce tin of Johnsons No 2 flash powder for outdoor work. Packet of touch paper. Johnson and Sons.

Johnson's flash powder outfit

Photographic Technology
Clenical mercury thermometer, uncalibrated, glass by F.W. Johnston and Daughter, Hendon, 1950-1978

Clenical mercury thermometer

Clinical Diagnosis

1950-1978