Ultraviolet Light Apparatus
Datecirca 1950
Inventory Number1991-5-0006
ClassificationUltraviolet Light Source
Subject
Place of Origin
Dimensions14 x 38.8 x 11.8 cm (5 1/2 x 15 1/4 x 4 5/8 in.)
Material
AccessoriesFluorescent specimens
Descriptioncords (about 150 cm.) for attachment to outlet & to handheld device., rectangular
Signedprinted on gold label inside case cover:"R. & M. MFG. CO., 16 South Raymond, Pasadena, Calif."
Inscribedtyped on envelope: "FLUORESCENT SPECIMENS"; in raised letters on seal surrounding "OFF/ON" switch: "PAT. APPLIED FOR, PASADENA, CALIFORNIA, R&M"; punched on both prongs of plug:"SPRING ACTION" on one side & "MADE IN U.S.A., 650 W-250 V";marked on outside of plug:"CAT. NO. 102-S U.S.A., SPRING ACTION"; punched on spring clasps:"EAGLE LOCK CO., TERRYVILLE, CONN, MADE IN U.S.A."
FunctionPossibly for examining gems
ProvenancePhilip Hofer; bequeathed to Houghton Library, 11/9/1984
Historical Attributesfrom Philip Hofer's inner office. Bequeathed to Houghton Library November 9, 1984. Printed on gold label inside cover:"NOTICE!, operate on 110/15 Volt 50/60 cycle current, or R. & M. dry cell unit only., Allow to stand lighted for about one minute, for best obseving conditions., Eyes should be protected from direct light fron these tubes by ordinary clear glasses."
Sun-Kraft, Inc.
Date: 1940-1960
Accessories: instruction manual; goggles; carrying case
Object number: VT4790
Sylvania
Date: 1960-1980
Accessories: fluorescent starter; fixture
Object number: 1996-1-0199
Sylvania
Date: 1960-1980
Accessories: fluorescent starter; fixture
Object number: 1996-1-0200
Ernst Leitz (company)
Date: 1950
Accessories: Ultropak microscope lamp; sector shutters (2); glass filters (5); driver; spare bulbs (8); boxes (2).
Object number: 2009-1-0070b
Bausch & Lomb Optical Company
Date: circa 1960
Accessories: spare bulb No. 1460X in box [1999-1-0079b]
Object number: 1999-1-0079a
Spencer Lens Company
Date: circa 1940
Object number: 1996-1-0134
General Electric Company
Date: late 19th-early 20th Century
Object number: 1997-1-0637
Central Scientific Company
Date: 1935-1950
Accessories: instruction manual
Object number: 1997-1-0358b
Sylvania
Date: late 19th-early 20th Century
Object number: RS0368