Apparatus to measure the expansion and contraction of paper due to change in moisture content

Made:: Cambridge

maker:: Cambridge Scientific Instrument Company Limited

Apparatus to measure the expansion and contraction of paper due to change in moisture content, c. 1938

Details

Category:: Papermaking

Object Number:: 1988-137

type:: apparatus to measure

credit:: Allen, B.B.

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Parts

Moisture Apparatus; box with inlet and outlet pipes

Moisture Apparatus; box with inlet and outlet pipes

Moisture Apparatus; a black wooden box with a cover glazed on two sides with inlet and outlet brass pipes and a brass trough with small clamps at both ends.

Measurements:: overall: 6.6929 x 12.9921 x 10.6299 in.; 17 x 33 x 27 cm

Object Number:: 1988-137 Pt1

type:: paper expansion measurer.

Image ©: The Board of Trustees of the Science Museum

Lamp unit from moisture apparatus

Lamp unit from moisture apparatus

Lamp unit from the instrument to measure extension of paper complete with a stand and a clip for a scale.

Measurements:: 16.5354 x 4.7244 x 5.9055 in.; 42 x 12 x 15 cm

Materials:: steel& glass

Object Number:: 1988-137 Pt2

type:: paper moisture measurer

Image ©: The Board of Trustees of the Science Museum

Translucent plastic scale with steel stiffener

Translucent plastic scale with steel stiffener

Translucent plastic scale with steel stiffener.

Measurements:: overall: .315 x 20.6693 x 1.5748 in.; .8 x 52.5 x 4 cm

Materials:: plastic and steel

Object Number:: 1988-137 Pt3

type:: paper moisture measuring scale

Image ©: The Board of Trustees of the Science Museum

Electrical leads from moisture apparatus

Electrical leads from moisture apparatus

Two 5m fabric covered electrical leads with round 4- way sockets at each end.

Materials:: plastic (unidentified) and steel (metal)

Object Number:: 1988-137 Pt4

type:: paper moisture measuring scale

Electrical leads from moisture apparatus

Electrical leads from moisture apparatus

Electrical leads from moisture apparatus

Object Number:: 1988-137 Pt4/1

type:: electrical leads

Image ©: The Board of Trustees of the Science Museum

Part of:: 1988-137 Pt4

Electrical leads from moisture apparatus

Electrical leads from moisture apparatus

Electrical leads from moisture apparatus

Object Number:: 1988-137 Pt4/2

type:: electrical leads

Image ©: The Board of Trustees of the Science Museum

Part of:: 1988-137 Pt4

Alternative fitment for the moisture apparatus trough

Alternative fitment for the moisture apparatus trough

An alternative fitment for the moisture apparatus trough Pt 1; being a brass tube with an inlet pipe on the side.

Measurements:: overall: 2.3622 x 7.0866 x 2.5591 in.; 6 x 18 x 6.5 cm

Materials:: brass

Object Number:: 1988-137 Pt5

type:: paper moisture measuring scale

Image ©: The Board of Trustees of the Science Museum

Moisture Apparatus; box

Moisture Apparatus; box

Moisture Apparatus; box

Object Number:: 1988-137/6

type:: box and container

Image ©: The Board of Trustees of the Science Museum