Accession No

4412

Brief Description

discharge tube with butterfly

Origin

Maker

Class

physics

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

glass; metal

Dimensions

height 293mm

Special Collection

Provenance

Purchased in Christie’s Nicholas Webster Collection sale, 26/09/1991, lot 88.

Inscription

Description Notes

Fancy glass tube with bulb head standing in wooden stand. Bulb has a sculpted copper butterfly design inside the bulb, painted with fluourescent paint so that it glows when an electric current passes through and mixes with the gas inside the tube.

Condition fair (glass support for butterfly broken); complete

References

Events