electrical machine glass pieces
Dateearly 20th Century
Inventory Number1997-1-0695
ClassificationElectrostatic Machine
Subject
Maker
Central Scientific Company
1889 - 2000
Cultural Region
Place of Origin
Dimensions8 x 67 x 42.5 cm (3 1/8 x 26 3/8 x 16 3/4 in.)
Material
Accessories4 glass discs with holes, 3 broken pieces of an electrostatic plate; 2 halves of an older electrostatic plate; 4 large broken glass pieces
DescriptionThree fragments of a browned glass disc with tinfoil strips around circumference with longitudinal axis in radial direction. Metal rivets on tinfoil on the largest fragment. These are most likely from a Wimshurst electrostatic induction generator (1997-1-0634). Another quarter fragment of a glass disc, possibly from an older electrostatic generator.
The second layer contains two pieces of broken plate glass which was originally rectangular.
The third layer contains two sets of two glass discs of different sizes.
The second layer contains two pieces of broken plate glass which was originally rectangular.
The third layer contains two sets of two glass discs of different sizes.
Signedunsigned
Curatorial Remarkson label on older electrostatic plate: Electrostatic machine, iron base. Early 19th century.
FunctionSee 1997-1-0634 for a description of the form and function of the full machine.
English
Date: circa 1820
Accessories: wooden case
brass frame with points
glass arm
handle
broken glass (in package)
Object number: DW0504
Thomas Hall
Date: circa 1890
Accessories: pulley rope
Object number: 1997-1-1423
John Chatillon & Sons
Date: late 19th Century
Accessories: pieces of broken glass face in archival baggie (location of this is?)
Object number: 1996-1-0376
Charles Chardin
Date: circa 1850
Accessories: Brass rod with combs at each end, socket and pieces of twisted leather? cord.
Object number: DW0058a-f
Clifford Frondel
Date: ca. 1925-1940
Accessories: metal piece with screw, and piece of rock, in two archival baggies.
Reprint, A PRECISION X-RAY POWDER CAMERA by Clifford Frondel, American Mineralogist, 40:876-884 (1955), stored in instrument file, 1997-1-1721
Object number: 1997-1-1725
Raytheon Manufacturing Company
Date: 1925-1935
Object number: VT1984
Voland & Sons
Date: late 19th-early 20th Century
Accessories: glass bar covering aluminum pieces
Object number: 1996-1-0218
L. Oertling
Date: 1880-1940
Accessories: fitted wooden block with Eimer and Amend weights; two fitted boxes of weights (mahogany); simple wooden case of small weights with sliding top; weights stuffed in a cardboard box labelled "J.B. Prescott"; miscellaneous parts in a brown cardboard box; one brass dial knob; two identical brass pieces (red, black and brass) of unknown use; a round, flat glass tray that hangs from three strings; additional perforated pan with stirrup; two glass floats in a cardboard box; cylindrical float in a black cylindrical cardboard case; black tweezer; page from Gaertner Scientific Corp., page 4, "T1005. Analytical balance" now in instrument file folder (a different make and model); paper note with following note: Water dispat 60° / 12.3535
Object number: 1996-1-0412
Charles Bruning Company
Date: 1942
Accessories: plywood case; 3/4 inch wrench; black metal end pieces
Object number: 2003-1-0127
Gottlieb Coradi
Date: circa 1920
Accessories: pieces of the front of black leather case with clasps; lid of case with paper data sheet; pieces of black leather case lined with green velvet
Object number: 2004-1-0345
Parent/Child
