N.P.L. Horizontal projection machine

Made:: 1916 in Broughton

maker:: George Cussons Limited

designer:: Edgar Mark Eden

N.P.L. Horizontal projection machine, without stand or screen; dated 1916

Details

Category:: Industrial Metrology

Object Number:: 1919-488

type:: optical projector and comparator.

credit:: Ministry of Munitions

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Parts

N.P.L. Horizontal projection machine

N.P.L. Horizontal projection machine

N.P.L. Horizontal projection machine, without stand or screen; dated 1916 ( a sliding plate and vertical adjustment component is missing).

Measurements:: 30 x 94 x 32 cm

Materials:: steel

Object Number:: 1919-488/1

type:: optical projector and comparator

Carbon arc lamp for use with the N.P.L. horizontal projector

Carbon arc lamp for use with the N.P.L. horizontal projector

Carbon arc lamp for use with the N.P.L. horizontal projector.

Measurements:: whole: 40 x 30 x 5 cm

Materials:: steel (metal)

Object Number:: 1919-488/2

type:: optical projector and comparator

Transformer for carbon arc lamp

Transformer for carbon arc lamp

Transformer for carbon arc lamp

Measurements:: overall: 22 x 15 x 15 cm

Materials:: steel (metal)

Object Number:: 1919-488/3

type:: optical projector and comparator

Image ©: The Board of Trustees of the Science Museum

Holder for projector gauges

Holder for projector gauges

Holder for gauges for use with a horizontal projector.

Materials:: steel (metal)

Object Number:: 1919-488/4

type:: holder for gauges

Image ©: The Board of Trustees of the Science Musuem