Accession No

4314

Brief Description

Grassot fluxmeter, moving coil, pointer (and reflecting) galvanometer, by Cie pour la Fabrication des Compteurs et Matériels d'Usines à Gaz, French, 1900-1925 (c)

Origin

France; Paris; 16 & 18 Boulevard de Vaugirard

Maker

Cie pour la Fabrication des Compteurs et Matériels d'Usines à Gaz

Class

electrical

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

metal (brass, iron, other); glass

Dimensions

depth 215mm; breadth 230mm; height 208mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘COMPAGNIE POUR LA FABRICATION
DES COMPTEURS & MATERIEL D’USINES A GAZ
16 & 18 BOULEVARD DE VAUGIRARD, PARIS
FX
No. 11
152’ (on metal plate on cover)
‘T.R. 55’ (on top plate of suspension tube (added))
‘FLUXMETRE systeme GRASSOT
Brevete
S.G.D.G.
Made in Paris
1 DIVISION = 10,000 MAXWELLS’ (on dial)

Description Notes

Black metal base; three levelling feet; two brass terminals; clamping knob; metal cover with glazed window on top showing silvered dial with mirror; scale, 100 divisions on either side of central zero; circular bubble level above dial; glazed window at rear showing circular suspended mirror; suspension tube with removable top plate; permanent magnet has movable magnetic shunts; suspended coil surrounds fixed iron core in magnet gap.

Condition: fair (suspension broken, top glass broken); complete.

References

Events