Time Service At Us Naval Observatory #1
by Us Naval Observatory/science Photo Library
Title
Time Service At Us Naval Observatory #1
Artist
Us Naval Observatory/science Photo Library
Medium
Photograph - Photograph
Description
Time Service at US Naval Observatory, 1915. The Time Service department here consists of master clocks (including a chronograph and a transmitting clock) used for all official time signals used in astronomical and navigational calculations. These clocks were built by the Self-Winding Clock Company. Photographed in around 1915, at the US Naval Observatory, Washington DC, USA.
Uploaded
October 1st, 2018
Embed
Share
Comments
There are no comments for Time Service At Us Naval Observatory #1. Click here to post the first comment.