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Model railway carriage

Model railway carriage

1880
Tripod

Tripod

1907-1912
Hot-wire voltmeter

Hot-wire voltmeter

1893
Pair of metal tongs

Pair of metal tongs

1907-1912
DnaCapsule single-button scanning module with LED and camera

DnaCapsule single-button scanning module with LED and camera

2021
Burner nib

Burner nib

1907-1912
8" dial

8" dial

Bristol's recording voltmeter box containing a quantity of diagrams

Bristol's recording voltmeter box containing a quantity of diagrams

Miniature Electricity Meter

Miniature Electricity Meter

1931
Glass storage bottle

Glass storage bottle

1907-1912
‘Clam-shell’ development model showing development of the PAW

‘Clam-shell’ development model showing development of the PAW

1997-2002
Crompton sector voltmeter no.20684 - c.1908

Crompton sector voltmeter no.20684 - c.1908

circa 1908
Crompton voltmeter no.60802, c.1916, 0 - 300v.

Crompton voltmeter no.60802, c.1916, 0 - 300v.

Ensignette No. 2 rollfilm camera, made by Houghtons Ltd. Collapsing metal camera, for 129 film: 1 5/8 x 3". Achromat lens, f/11, 16, 22 apertures in metal plate. T/I shutter. Brilliant reflecting finder. Pat. No. 28464, 1907. (M2697). No. 14251

Ensignette No 2 Rollfilm Camera

1911-1926
Fujifilm EC-760R-V/I video endoscope serial no: HC728K102, Japan, 2010-2018

Fujifilm EC-760R-V/I video endoscope for the examination of the bowel

2010-2018
Cine Kodak exposure scale made by Eastman Kodak. Metal slide-rule calculator for Cine-Kodak films. Scales for: film and filter; light shutter; fps; aperture. (M807)

Cine Kodak exposure scale

1933
Optimus exposure indicator made by Perken, Son and Rayment, London. Designed by Howard Farmer. Celluloid slide-rule calculator. Calibrated: subject; f no. time. Factors given for time of year and day. Metal slider.

Optimus exposure indicator made by Perken

Premo film pack tank. 7"x4 1/2" diameter metal tank with cylindrical holder with 12 compartments for cut films.

Premo film pack developing tank

Two weights fabricated to resemble cast iron for the model of the Dover Castle clock, scale 1:3.

Two weights fabricated to resemble cast iron for the model of the Dover Castle clock

White plastic block with metal circuit, printed by Adrian Bowyer's RepRap 3D printers, by Adrian Bowyer, Bath, c.2007-2012

White plastic block with metal circuit, printed by Adrian Bowyer's RepRap 3D printer

2007-2012
Components of photobarograph commissioned by the Meteorological Committee of the Royal Society, some design specifications attributed to Francis Ronalds, made in England, UK, 1867. Installed and operated at Radcliffe Observatory, Oxford.

Components from photobarograph used at Radcliffe Observatory, Oxford

1867
Oxygen cylinder key, old patter key (Pat. 3703) with open ended spanners: 1 1/8" and 1" square sockets: 3/16, 1/4 and 5/16"

Oxygen cylinder key

Oxygen cylinder and wing nut

Oxygen cylinder and wing nut