Two proportional compasses in case

Two proportional compasses in case

Details

Category:: Mathematics

Object Number:: 1890-23

type:: proportional compass

credit:: The Reverend F. Hilarion Berger.

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Parts

Proportional compass (one of two)

Proportional compass (one of two)

One of two proportional compasses.

Materials:: brass (copper, zinc alloy)

Object Number:: 1890-23 Pt1

type:: instrument component and proportional compass

Image ©: The Board of Trustees of the Science Museum

Proportional compass (one of two)

Proportional compass (one of two)

One of two proportional compasses.

Object Number:: 1890-23 Pt2

type:: instrument component and proportional compass

Image ©: The Board of Trustees of the Science Museum

Instrument case for two proportional compasses

Instrument case for two proportional compasses

Instrument case for two proportional compasses.

Object Number:: 1890-23 Pt3

type:: instrument component and instrument case

Image ©: The Board of Trustees of the Science Museum

Key for case containing proportional compasses

Key for case containing proportional compasses

Key for case containing proportional compasses.

Object Number:: 1890-23/4

type:: key

Image ©: The Board of Trustees of the Science Museum