Optical Glass in War Effort From German Techniques
A historical piece explains how optical glass used in binoculars, periscopes, and cameras is produced under wartime mobilization. It details flint and crown glasses, their compositions, and the careful fusion process requiring precise control, special furnaces, and long heating. The article highlights pressures to scale production amid global conflict.
Lens Making and the War Effort in Optical Glass
The article explains the careful production of optical glass for lenses used in binoculars microscopes and gun sights, including furnace practices, annealing, and yield limits. It notes the wartime demand, mobilization of citizens to donate lenses, and government efforts to equip aviation and naval operations with high quality photographic lenses and equipment. The piece highlights U S citizens converting civilian optics to military use and the emphasis on Zeiss Tessar and related lenses.
MENTIONED IN THIS ARTICLE
Germany
Canton
Galileo
Moon
Jupiter
Medical Department
England
United States
Uncle Sam
Navy Department
Navy
Signal Corps
Carl Zeiss
Government
Rochester
Historic Homes Used by Sam Include Notable Figures
A report notes that Sam utilizes numerous historic residences including those once owned by Gideon Welles George Bancroft Daniel Webster Andrew Johnson John Quincy Adams and Martin Van Buren. The claim appears in a 1918 copyright notice by The International Syndicate.
MENTIONED IN THIS ARTICLE
Gideon Welles
George Bancroft
Daniel Webster
Andrew Johnson
John Quincy Adams
Martin van Buren
Washington Homes Convert to War Use in 1917 Red Cross Effort
Historic houses in Washington become war work hubs as government needs surge after the outbreak of war. Iconic sites including the Madison and Bancroft properties, Lafayette Square residences, and the Dolly Madison House are repurposed for Navy, War, and Red Cross efforts. Private mansions host officers, draftsmen, and hospitality centers for soldiers and scientists aiding the war.
MENTIONED IN THIS ARTICLE
Washington
Ington
James Madison
White House
Ghent
Britain
Washington House
American Institute of Architects
Navy Department
Naval Intelligence Board
Lafayette Square
Commodore Stockton
Slidell
Gideon Welles
Navy
President Lincoln
War Department
George Bancroft
Welles
State Department
Mrs. Lansing
Secretary of State
Red Cross
Admiral Decatur
Daniel Web
Henry Clay
Committee On Public Information
National, Congress of Mothers and Parent-Teachers Association
Army
Capital
Roosevelt
Lafayette Park
New Service Club
Tayloe
Benjamin Ogle Tayloe
Don Cameron
Garrett A. Hobart
McKinley
Mark Hanna
Cosmos Club of
United States
C Club
Madison
Whyte
Dolly Madison
Army and Navy Club
United Service Club of America
James G Blaine
Dupont Circle
Adams
F Street
John Quincy Adams
Martin van Buren
Herbert Wadsworth
District of Columbia
The
American Red Cram
Also Mentioned on This Page
Intern
Onal Syndicate
Optical Glass
TV Navy
Ole
Lori
Cdutie
Mr Cb. JF ME
Ome
the International Syndicate
SLPCL
United Service Club
Lee
Ole Liscanela
Hanna
CAO
LEZ Oupolof
Oslo
Vale