loose coupler
Date1905-1910
Inventory NumberRS0779
ClassificationCoupler
Maker
American
User
Cruft Laboratory, Harvard University
founded 1914
Dimensions15.3 x 46 x 15.2 cm, 5 lb. (6 x 18 1/8 x 6 in., 2.3 kg)
DescriptionThe following taken from a metal plaque found with the instrument but does not belong to it. "Rectifier Power Unit, Serial #876, Type CMV-20269, Supply: 24VDC; A unit of Model SD-13 RAdar Equipment, Manufactured for Navy Department-Bureau of Ships by Harvey Wells Communications Inc. Contractor Raytheon Manf. Co., Waltham, MA Contract NXsr-97699"
In Collection(s)
Signedunsigned
Historical AttributesCruft
Reynolds Metal Company
Date: circa 1944
Accessories: see Description for itemized list
Object number: 1997-1-0796a
Reynolds Metal Company
Date: circa 1944
Accessories: see Description for itemized list
Object number: 1997-1-0796b
Reynolds Metal Company
Date: circa 1944
Accessories: see Description for itemized list
Object number: 1997-1-0796c
Meca Electronics Inc.
Object number: RS1061
American Radio and Research Corporation
Date: 1921
Object number: RS0746
American Radio and Research Corporation
Date: 1921
Object number: RS0751
American Radio and Research Corporation
Date: 1921
Object number: RS0757
American Radio and Research Corporation
Date: 1921
Object number: RS0750
Tiffany & Company
Date: dated 1858
Accessories: 4" section of cable (DW0356a); letter of authenticity (DW0356b); another commemorative medal (DW0356c)
Object number: DW0356d
