Ednalite projection pointer
Date1960-1970
Inventory Number1997-1-0108
ClassificationTeaching Tool
Subject
Cultural Region
Place of Origin
Dimensionscase: 20 x 40 x 11 cm (7 7/8 x 15 3/4 x 4 5/16 in.)
pointer: 6 x 36 x 6 cm (2 3/8 x 14 3/16 x 2 3/8 in.)
front of pointer diameter: 4 cm (1 9/16 in.)
pointer: 6 x 36 x 6 cm (2 3/8 x 14 3/16 x 2 3/8 in.)
front of pointer diameter: 4 cm (1 9/16 in.)
Material
Accessoriesinstruction manual; business reply card; guarantee; cord; key to lock
DescriptionRectangular box containing an Ednalite projection pointer, designed to project concentrated light as well as local illumination to read by, write by, and so on. The projection pointer consists of a tubular casing housing the batteries by which it its powered, a mounting for a conventional flash light bulb of non-reflective surface at one end, with a tapering, translucent plastic tube designed to direct light waves for optimal local illumination, as well as a plano-convex lens designed to project very focused, bright light.
The box also contains an instruction manual, a business reply card, a guarantee card, a cord, and a key to the box.
The box also contains an instruction manual, a business reply card, a guarantee card, a cord, and a key to the box.
Signedinside box: EDNALIGHT PROJECTION POINTER / MADE IN U.S.A. BY / EDNALITE RESEARCH CORP. / PEEKSKILL, N.Y.
Inscribedinside box: 110-115 VOLTS A.C. ONLY / TRADEMARK / 0.4 Amps / Model 120A / REGISTERED.
Designs for Vision, Inc.
Date: circa 1975
Accessories: case, business card, instruction card
Object number: 2009-1-0012
Louis Jules Duboscq
Date: 1860-1879, 1882-1885
Accessories: 2nd mirror; 2nd brass cover for mirror mount hole; 2nd face plate with twin lenses (originally found with 1998-1-1635 which it did not fit. Jan 2008).
Object number: 1997-1-1469a,b
Jefferson Electric
Date: 1950-1960
Accessories: faceplate; power cord; transformer
Object number: 1996-1-0366
Polaroid Corporation
Date: 1964-1978
Accessories: instruction manual (in object file); framing kit (2009-1-0040)
Object number: 2009-1-0031
Antonius Giamin
Date: early 20th Century
Object number: DW0590
E. S. Ritchie & Sons
Date: 1919
Accessories: case
Object number: 5330b
Carl Zeiss, Optische Werkstätte, Jena
Date: circa 1902
Accessories: oculars (5); objectives (5); microplanar objectives (2); iris diaphragm; abbe condenser; collars and sleeves for photography; parts box; Leitz object micrometer (1308b); cardioid condenser (1308d); immersion oil bottle (1308c) ; Leitz erecting prism (1308e); standing case with key
Object number: 1308a
Weston Electrical Instrument Corporation
Date: 1935 - 1945
Accessories: lead wires; photoelectric probe; case
Object number: 2003-1-0117