Accession No

3473

Brief Description

level, by Thomas Heath, English, 1730 (c)

Origin

England

Maker

Heath, Thomas

Class

surveying

Earliest Date

1730

Latest Date

1730

Inscription Date

Material

wood (oak); glass; metal

Dimensions

box length 716mm; breadth 135mm; height 80mm

Special Collection

Provenance

Purchased from Sotherby’s, London, England; lot 131, 10/03/1987.

Inscription

‘T . Heath Fecit’ (top surface of telescope, opposite bubble)

Description Notes

Early example of an English telescopic level, in oak box. Bubble is to the side of the telescope and can be viewed through a side aperture in its brass mount, as well as from above. Telescope can be adjusted to level by a large knurled screw, which moves its supporting platform about a hinge. Object glass’ aperture is almost halved by the lens cover. Fitted box.

Condition fair; complete

References

Events