Accession No

1863

Brief Description

heliostat, late 19th century

Origin

Maker

Accession No

6849

Brief Description

miniature universal equinoctial ring dial, purportedly by Johan Somer, German, but actually a fake

Origin

Germany?

Maker

Somer, Johann [purported] unknown [forger]

Accession No

4545

Brief Description

toy lineagraph made for the Children’s Encyclopaedia, English, early to mid-20th Century

Origin

England

Maker

The Children’s Encyclopaedia

Accession No

2604

Brief Description

epidiascope, by J. Duboscq, French, 1870 (c)

Origin

France; Paris

Maker

Duboscq, J.

Accession No

0887

Brief Description

magnetism demonstration set, by George Adams Jnr., English, c. 1790

Origin

England; London

Maker

Adams, George (Jnr.)

Accession No

6246

Brief Description

Electrostatic wimshurst machine, in box and including accessories, 1/2 20th century

Origin

Maker

unknown

Accession No

2097.1

Brief Description

filament lamp, by Edison-Swan, U.S.A., 4/4 19th Century

Origin

U.S.A.

Maker

Edison-Swan

Accession No

6850

Brief Description

horizontal dial, fake

Origin

Maker

Accession No

1962

Brief Description

glass vacuum tube, 1875–1925

Origin

Maker

Accession No

6852

Brief Description

quadrant, purportedly by Walter Hayes, English, 1726, but actually a 20th-century fake

Origin

England

Maker

Hayes, Walter [purported] unknown [forger]