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)

Materials:: brass (copper, zinc alloy)

Object Number:: 1890-23 Pt1

type:: instrument component and proportional compass

Proportional compass (one of two)

Object Number:: 1890-23 Pt2

type:: instrument component and proportional compass

Instrument case for two proportional compasses

Object Number:: 1890-23 Pt3

type:: instrument component and instrument case

Two proportional compasses in case

Details

Parts

Proportional compass (one of two)

Proportional compass (one of two)

Instrument case for two proportional compasses

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