File:Souvenir album (1911) (14574822240).jpg

Identifier: souveniralbum00chic (find matches)
Title: Souvenir album
Year: 1911 (1910s)
Authors:
Subjects: Highland Park, Ill. Home for the Aged and Disabled Railroad Employees of America. (from old catalog)
Publisher: Chicago, Traders Print, Co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Scientific Watch Testing. The Astronomers Method of Determining TheTime-keeping Qualities of Fine Watches. IN nearly every country on the globe, six days in a temperature of ninety-five degreesastronomical observatories are maintained, and six days in a temperature of forty degrees,both by Governments and Universities, The final test is rating the watches six daysfor the advancement of scientific knowledge, in each of the following positions—stem up,Prominent among these are the observatories stem right, stem left, dial up and dial down,of Geneva, Switzerland, Kew at London and The average of the results thus obtained,the Naval Observatory at Washington. One entitles the watch to either a Class A Certifi-of the important duties of the Government cate or a Class B Certificate or a Class CObservatories is noting the correct time, from Certificate, Class A being the highest—thethe passage of the Heavenly bodies, and blue ribbon of watchmaking. It is a strikingtransmitting it to the c

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