Ednalite projection pointer
Date1950-1960
Inventory Number1997-1-0102
ClassificationTeaching Tool
Subject
Cultural Region
Place of Origin
Place of Use
Dimensionscase: 21.5 × 39.5 × 9.5 cm (8 7/16 × 15 9/16 × 3 3/4 in.)
pointer: 7 x 35 x 7 cm (2 3/4 x 13 3/4 x 2 3/4 in.)
front of pointer diameter: 4.5 cm (1 3/4 in.)
pointer: 7 x 35 x 7 cm (2 3/4 x 13 3/4 x 2 3/4 in.)
front of pointer diameter: 4.5 cm (1 3/4 in.)
Material
Accessoriescord in box.
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.
Signedon box: Ednalite Optical Co., Inc.
Inscribedon pointer: Ednalite Projection Pointer
on box: Ednalite Projection Pointer; Made in USA by The Ednalite Optical Co. Inc.; Peekskill, N.Y.; 100-117 Volt AC Only; Model 100-A; Trade Mark Reg.
taped on box: 0019 Ednalite Projetion Pointer / Dr. E. A. Hooten Department of / Anthropology
FunctionUsed as a classroom teaching tool.
Date: 1960-1970
Accessories: instruction manual; business reply card; guarantee; cord; key to lock
Object number: 1997-1-0108
Jefferson Electric
Date: 1950-1960
Accessories: faceplate; power cord; transformer
Object number: 1996-1-0366
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
Carl Zeiss (Oberkochen)
Date: 1960-1969
Object number: 2003-1-0096
Bausch & Lomb Optical Company
Date: 1950-1960
Accessories: arc lamp, power supply, and carbons original to this microscope have been separated from it (1998-1-1637a). Objectives (3): 10X, 21X, 43X; vertical illuminator; projection eyepiece.
Object number: 1998-1-1637
Bausch & Lomb Optical Company
Date: 1950-1960
Object number: 1998-1-1637a
Antonius Giamin
Date: early 20th Century
Object number: DW0590
John Tinney
Date: 1740-1745
Accessories: letter to David P. Wheatland
Object number: 1998-1-1104
Bausch & Lomb Optical Company
Date: circa 1949
Accessories: B & L objectives (2): 32 mm, 48 mm; ocular 10x; objective can in cardboard box
Object number: 1997-1-0313
