electrical comb collector
Date1800-1840
Inventory Number2007-1-0267
ClassificationElectrical Apparatus
Subject
Maker
French
?
Maker
American
?
Maker
English
?
Cultural Region
Dimensions4.4 × 22.8 × 10.9 cm (1 3/4 × 9 × 4 5/16 in.)
Material
DescriptionGilt brass thick iron rod is fixed into a ball connector. There are two holes in the ball at right angles to each other. The other end of the thick rod screws into a comb collector for a plate or cylinder electrical machine. The comb has short sharp teeth. There are leather washers at the screw joint.
Signedunsigned
Curatorial RemarksThis object and 2007-1-0266 were originally part of the same electrical machine.
English
Date: circa 1800
Accessories: Two insulated charge transfer wands.
Object number: 0014
E. S. Ritchie & Sons
Date: 1868-1895
Accessories: a) two wheels made of an insulating material (ebonite?), solid except for an oval perforation near the edge, and a depression running on one face along its diameter; b) a spark-gap consisting of two brass balls that hold small rods that face each other, their distance adjustable by screws on the balls. The brass balls are mounted on parallel rods (adjustable height) attached to a thick brass rod that can be held from a thinner rod attached to its central section; c) two large screws and a wooden piece in the shape of a quarter-section of a cylinder, which are currently held inside a plastic bag
Object number: 2007-1-0171
English
Date: 1780-1840
Object number: 1997-1-1385
English
Date: circa 1820
Accessories: wooden case
brass frame with points
glass arm
handle
broken glass (in package)
Object number: DW0504
