Sextant and artificial horizon

Title

Sextant and artificial horizon

Subject

Astronomy
Navigation
Surveying
Measuring instruments

Description

Wood, metal, glass

Sextant:
Wooden box with hinged lid, inside includes Keuffel & Esser paper label and “obs 15” mark. Sextant matched with artificial horizon A214.2.

Black metal frame, wood handle, silver scale, maker marked on index arm, 2 telescopes, long tangent screw, 2 lens cap filters, reading lens for vernier, 4 index filters and 3 horizon filters. No 22872, maybe model 5225.

Artificial Horizon:
Box has hinged lid with two latches, broken leather handle, is marked with a maker tag, number 5 and University id tag and with a University police evidence tag from 1981. Bronzed brass roof with greenish color, measured 8 ¾ x 7 3/8 x 4 ½ inch high, fine plane glass 2 ¾ x 4 1/8, iron mercury bottle with threaded stopper and funnel top. Iron mercury trough with thread for funnel and lip. Polished mahogany case. In the Keuffel & Esser catalog #5250 on page 412, cost $35 .

Creator

Keuffel & Esser Company, New York

Source

Keuffel & Esser Co. (1913). Catalogue and price list of Keuffel& Esser co, manufacturers and importers of drawing materials and surveying instruments. Keuffel & Esser Co: New York.

Publisher

Astronomy Department, University of Illinois, Urbana, Illinois

Date

circa 1913

Contributor

Michael Svec

Rights

Copyright Michael Svec

Format

image/jpg

Language

English

Type

physical object

Coverage

University of Illinois Observatory, Urbana, Illinois

Files

Keuffel & Esser sextant and box
DSCN0136.JPG
Keuffel & Esser arifical horizon
Kueffel & Esser Company catalog for artificial horizon.

Tags

Citation

Keuffel & Esser Company, New York, “Sextant and artificial horizon,” University of Illinois Observatory Collection, accessed December 16, 2017, http://uiobservatory.omeka.net/items/show/37.