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DMA 58 Digital Density Meter

DMA 58 Digital Density Meter

1993

Digital density meter DMA 35 made by Anton Paar

Digital density meter DMA 35 made by Anton Paar

Parry densitometer

Parry densitometer

1970-1980

Video monitor for microdensitometer, 1978

Video monitor for microdensitometer, 1978

1978

Double-beam recording microdensitometer

Double-beam recording microdensitometer

1967-1975

Microdensitometer video camera, by Ikegami Tsushinki Co. Ltd, Japan, 1978

Microdensitometer video camera, by Ikegami Tsushinki Co. Ltd, Japan, 1978

1978

Integrating microdensitometer

Integrating microdensitometer

Densitometer. First demonstration model.

Densitometer. First demonstration model.

Accessories case for microdensitometer, 1978

Accessories case for microdensitometer, 1978

1978

Dawson's Densitometer

Dawson's Densitometer

Ferguson Wedge Density Meter for Photographic Plates

Ferguson Wedge Density Meter for Photographic Plates

1911

BPRA Photoelectric Densitometer

BPRA Photoelectric Densitometer

circa 1930

Part of Electroflo smoke density meter

Part of Electroflo smoke density meter

Densitometer, from E478 quartz spectrograph

Densitometer, from E478 quartz spectrograph

Part of Harvey Densitometer

Part of Harvey Densitometer

1960

Electronics/ Switch Box for Microdensitometer

Electronics/ Switch Box for Microdensitometer

1978

Electroflo smoke density meter (in parts for a demonstration)

Electroflo smoke density meter

Kodak Colour densitometer, Model 1, manufactured by Kodak Ltd, London, England, c. 1950.

Kodak Colour Densitometer, Model 1, c. 1950

1950

Joyce-Loebl microdensitometer on stand with recording electronics.

Joyce-Loebl microdensitometer

1970-1975

Kodak Colour Densitometer model 1

Kodak Colour Densitometer model 1

Gelman scanning densitometer, DCD-16, model no.39431, serial no.1007, made in USA, 1960-1990

Gelman scanning densitometer

Console for microdensitometer, Model 3CS, by Joyce-Lobel Ltd., Gateshead, England, 1978. Used to measure the X-ray density of tree rings in research into past climates.

Microdensitometer for tree ring analysis, by Joyce-Loebl Limited, 1978

1978

Joyce-Loebel Scandig 3 drum scanning densitometer, early 1970s. First used in University College London's Department of Physics to digitise photographs obtained from the UK space programme and transferred in the late 1970s to the then Department of Chemical Crystallography for digitising X-ray diffraction exposures under the supervision of Dr Monica Mendelsohn. Originally operated in conjunction with a Data General Nova computer, but operated by a Plessey LSI 11 computer (equivalent to a DEC PDP 11) when used in Chemical Crystallography. The X-ray film was attached to the drum with sticky tape. Last used in the early 1990s.

Joyce-Loebel Scandig 3 Drum Scanning Densitometer

1970s

Table-top desk with end rollers for examining trace paper from microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Table-top desk from microdensitometer

1978

Foot control pedal for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Foot control pedal for microdensitometer

1978

Improved Capstaff-Purdy type. Lever operated microswitch for lamp, No 181.

Kodak Transmission densitometer Model 2

Capstaff-Purdy pattern; visual matching of brightness of ccentral spot, lit by electric lamp through disc continuous wedge and specimen. With directly lit peripheral field.

Eastman Densitometer

4-way plug connector (continental) for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

4-way plug connector for microdensitometer

1978

Five hermetically sealed electrical components for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Five hermetically sealed electrical components for microdensitometer

1978

Computer with leads for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Computer with leads for microdensitometer

1978

Power leads for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Power leads for microdensitometer

1978

Capstaff-Purdy type; rotating continuous wedge; eyepiece with colour filter wheel.

Eastman Densitometer

Electrical box with LEDs for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Electrical box with LEDs for microdensitometer

1978

Computer keyboard for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Computer keyboard for microdensitometer

1978

Printer loaded with roll of graph paper with experimental trace and plastic dust cover for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Printer and paper for microdensitometer

1978

Capstaff-Purdy type; rotating continuous wedge. No 203.

Kodak Transmission densitometer

Plastic case containing spare bulb and pens for printer for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Spare bulb and pens for printer for microdensitometer

1978

Computer monitor for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Computer monitor for microdensitometer

1978

Four rubber feet for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Four rubber feet for microdensitometer

1978

Part for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Part for microdensitometer

1978

Ferguson bench density meter, No. V, for photographic plates, 1924, on wooden stand.

Ferguson bench density meter

1924

Microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Microdensitometer used for dendro-analysis, 1978

1978

P + F Equipment. Improved Sanger-Shepherd Density meter. E.S.S. Colour Filter Co., London. For measuring printing density of negatives. Negative density compared with continuous wedge.

Improved Sanger-Shepherd densitometer

Part of Harvey densitometer, c. 1960

Part of Harvey Densitometer

1960

Electroflo smoke density meter [remainder at Blythe House]

Electroflo Smoke Density Meter

Electronic switch box for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Electronic switch box for microdensitometer

1978

Technical diagram of densitometer arrangement of microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Technical diagram of densitometer arrangement

1978

Wooden box on hinged base with double mirror system giving split viewing field observed through tube with one eye piece. Calibrated continuous wedge (broken) moves in slide over one aperture, hinged wooden strip with opal glass fits over other aperture. In wooden box.

Comparison Densitometer

Baldwin Wide Range 380

Baldwin Wide Range Densitometer

Joyce-Loebel flying spot integrating microdensitometer, c.1960s.

Joyce-Loebel flying spot integrating microdensitometer

1960-1965

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