Accession No

2172

Brief Description

universal instrument, by Utzschneider and Fraunhofer (and possibly Reichenbach according to catalogue card), German, 1825 (c)

Origin

Germany; München

Maker

Utzschneider & Fraunhofer

Class

surveying; astronomy

Earliest Date

1825

Latest Date

1825

Inscription Date

Material

metal (brass, silver, steel); glass; wood

Dimensions

height 465mm; length 360mm; breadth 260mm shelf space for accessories: length 290mm; breadth 165mm; height 225mm stand length 318mm; breadth 310mm; height 90mm

Special Collection

Provenance

Transferred from Department of Geography, University of Cambridge, Cambridge, England, 05/1969.

Inscription

‘Utzchneider und Fraunhofer in München’

Description Notes

Universal instrument, brass, silver scales. Circle, divided 0 - 360˚, subdivided to 1˚, to 30´ and to 10´. 4 silvered verniers (very tarnished), 4 reading microscopes. Used in horizontal position in conjunction with pillars and Y carrying horizontal axis with telescope (cross-hairs, rack and pinion focus, slide-in eyepiece) and arm with short arc scales as in an Everest theodolite with 2 reading microscopes and hanging bubble level. Inner horizontal ring has clamp and tangent screws; outer similar on lower rim, and zero adjustment by knurled screw and spring beneath. The whole mounted on brass block set on circular platform with pillar and tripod stand and 3 levelling screws. Object glass cover. Counterweight and brass and steel fitting for conversion to vertical circle when mount on circle for second telescope (missing) comes into use, bubble level fixed to brass block and silvered horizontal scale on circular platform. Wooden base with 6 brass securing screws.

References

Events