Accession No

6498

Brief Description

Resistance box, by Breguet, France, early 20th century

Origin

Paris, France

Maker

Breguet

Class

electrical; demonstration; laboratory apparatus

Earliest Date

1875

Latest Date

1950

Inscription Date

Material

wood (mahogany?); metal (brass; copper); rubber (ebonite); fabric

Dimensions

520mm wide x 315mm deep x 170mm tall

Special Collection

Provenance

Purchased on or before 23/12/2010.

Inscription

“MAISON BREGUET PARIS”
“MILLE”; “CENTAINES”; “DIZAINES”; “UNITES”

Description Notes

Large rectangular wooden box with ebonite top; ventilation holes in four sides of box; seven brass terminals, mounted on separated brass blocks with circular plug receptors between them; four brass and ebonite plugs; resistance wire coils wound and coated in rubber, suspended on underside of top plate. Brass blocks are arranged in rows, with nine numbered blocks in each row, with each row marked, from bottom to top, “UNITES”, “DIZAINES”, “CENTAINES”, “MILLE”. Seperate row of blocks at top have markings in ebonite that read, left to right, “1000”, “100”, “10”, “10”, “100”, “1000”.

Condition: good/fair; complete.

References

Events