Marine sextant

Title

Marine sextant

Subject

Astronomy
Navigation
Surveying
Measuring instruments

Description

In the Keuffel & Esser catalog , model 5224D on page 410, cost, $80. Paper label includes model 5224D and serial number 42046. Gun-metal, measuring angles up to 130 degrees, radius 6-in graduated on solid silver to 20 minutes, vernier to 30 seconds. Clamp and transit screw to vernier. Mounting reading lens (missing), 1 plain sighting tube, 1 inverting telescope, 1 star telescope, 2 neutral glasses, 7 neutral glasses to sextant, polished mahogany case with lock. Box has hinged lid, two latches, lock, inside maker label and “obs 143” mark, paper label “2” on exterior.

Creator

Keuffel & Esser, 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

About 1915

Contributor

Michael Svec

Rights

Copyright Michael Svec

Format

image/jpg

Language

English

Type

physical object

Identifier

University of Illinois Observatory Collection A234
University ID 016681, obs143

Coverage

University of Illinois Observatory, Urbana, Illinois

Files

Keuffel & Esser Marine sextant

Tags

Citation

Keuffel & Esser, New York, “Marine sextant,” University of Illinois Observatory Collection, accessed August 16, 2017, http://uiobservatory.omeka.net/items/show/11.