Electrostatic machine

Charles Chardin

Date: circa 1850

Accessories: Brass rod with combs at each end, socket and pieces of twisted leather? cord.

Object number: DW0058a-f

Charles Chardin

Date: circa 1850

Accessories: socket and brass rod with combs

Object number: DW0058f

Charles Chardin

Date: circa 1850

Accessories: socket and pieces of twisted leather? cord.

Object number: DW0058d

Charles Chardin

Date: circa 1850

Accessories: socket and pieces of twisted leather? cord.

Object number: DW0058e

Zenith Radio Corporation

Accessories: Shares accessories with WJ0500 (they were packed in the same box). 2 head-bands with ovate pink receivers, 2 discoidal receivers; 4 brown ear-plug pieces with 4 clear inserts. 1 thin yellow wire with 2-pronged plug at one end and tiny 2-pronged plug at the other. I thin yellow wire with tiny 2-pronged plug at one end and rectangular power attachment at the other. Thicker black cord with rectangular power attachment at one end and discoidal socket at the other. Black twisted thicker wired with small attachment at one end and stripped at the other end. Green twisted cord with 2-pronged plug and discoidal socket.

Object number: WJ0480

Zenith Radio Corporation

Accessories: Shares accessories with WJ0480 (they were packed in the same box). 2 head-bands with ovate pink receivers, 2 discoidal receivers; 4 brown ear-plug pieces with 4 clear inserts. 1 thin yellow wire with 2-pronged plug at one end and tiny 2-pronged plug at the other. I thin yellow wire with tiny 2-pronged plug at one end and rectangular power attachment at the other. Thicker black cord with rectangular power attachment at one end and discoidal socket at the other. Black twisted thicker wired with small attachment at one end and stripped at the other end. Green twisted cord with 2-pronged plug and discoidal socket.

Object number: WJ0500

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

Otis Clapp and Son

Date: date 1896

Accessories: Miscellaneous rods and pieces found inside cabinet.

Object number: RS0371

Charles Bruning Company

Date: 1942

Accessories: plywood case; 3/4 inch wrench; black metal end pieces

Object number: 2003-1-0127

Mears Radio Hearing Device Corporation

Accessories: Shared with W0482 (found in one box together): 3 batteries (removed during FAE inventory). Rectangular case. 1 double sided battery connector. 1 double sided battery connector with attached thick twisted cord, end split with discoidal plugs, 1 2-pronged and 1 3-pronged. 4 thick black twisted cords with 5-pronged plug at one end and 5 whole socket at the other. 1 miscellaneous cord with tape. 1 cord with discoidal socket at one end and stripped at the other end. 1 2-pronged rectangular plut with thick cord, other end wrapped in tape. 2 twisted black cords with rectangular attachement with flared top and 2 single prongs at the other end.

Object number: WJ0483

Mears Radio Hearing Device Corporation

Accessories: Shared with WJ0483 (found in one box together): 3 batteries (removed during FAE inventory). Rectangular case. 1 double sided battery connector. 1 double sided battery connector with attached thick twisted cord, end split with discoidal plugs, 1 2-pronged and 1 3-pronged. 4 thick black twisted cords with 5-pronged plug at one end and 5 whole socket at the other. 1 miscellaneous cord with tape. 1 cord with discoidal socket at one end and stripped at the other end. 1 2-pronged rectangular plut with thick cord, other end wrapped in tape. 2 twisted black cords with rectangular attachement with flared top and 2 single prongs at the other end.

Object number: WJ0482

RadioEar

Accessories: 1 discoidal receiver. Metal headband with rectangular reciever and rectangular 2-pronged plug. 2 Thin twisted cord with cylindrical 2-pronged plug at on end, the other end is split with 2 electrical connectors. Thick twisted cord with cylindrical socket at on end, the other end is split with 2 electrical connectors. Thick twisted cord with rectangular 4-pronged plug at one end 5-pronged stylized plug at the other, and 2 electrical connectors.

Object number: WJ0505