Marine sextant
Title
Marine sextant
Subject
Astronomy
Navigation
Surveying
Measuring instruments
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
University ID 016681, obs143
Coverage
University of Illinois Observatory, Urbana, Illinois
Files
Collection
Citation
Keuffel & Esser, New York, “Marine sextant,” University of Illinois Observatory Collection, accessed April 27, 2024, https://uiobservatory.omeka.net/items/show/11.