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Harmonograph by Newton, 1909.

1909

Sympalmograph in fitted box

c. 1877

Base and glass cover, for Frederick Corder's harmonograph

Box labelled "Corder 1950-181 Harmonograph (spares)" filled with accessories for Corder's Harmonograph. Including: 37 brass gearwheels, drawings, a notebook, ruler, pens and brass components for chronograph.

Box of accessories for Corder's Harmonograph

Cog wheel "harmonograph"

Cog wheel "harmonograph"

Harmonograph invented by Frederick Corder, with accessories

Harmonograph invented by Frederick Corder

[Information leaflet] How to make a twin-elliptic Harmonograph / L. A. Breame [for Science Museum], 1980. [4p. on 1 leaf. An HMSO publication. Another copy is in Science Museum publications reference set (1975/2)]

How to make a twin-elliptic Harmonograph

1980
Donkin's Harmonograph for compounding two simple harmonic motions, made in 1871, with five printed sheets showing curves obtained by a slightly modified instrument made by Tisley and Spiller

Donkin's Harmonograph

1871-1873