GB190820352A - Improvements in Apparatus for use as Resistances in Electric Circuits - Google Patents

Improvements in Apparatus for use as Resistances in Electric Circuits

Info

Publication number
GB190820352A
GB190820352A GB190820352DA GB190820352A GB 190820352 A GB190820352 A GB 190820352A GB 190820352D A GB190820352D A GB 190820352DA GB 190820352 A GB190820352 A GB 190820352A
Authority
GB
United Kingdom
Prior art keywords
terminals
box
resistances
consist
powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Max Hankin
Fritz Wolff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190820352A publication Critical patent/GB190820352A/en
Expired legal-status Critical Current

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  • Adjustable Resistors (AREA)

Abstract

20,352. Hankin, M., and Wolff, F. Sept. 28. Resistances. -A resistance suitable for regulating consists of a metal box a containing a badlyconducting powder, in which are embedded two adjustable terminals d placed at opposite ends of the box, so that the distance between the ends of the terminals is not more than twice the lateral distance between the terminals and the 'box. The powder may consist of a mixture of 50 parts of refractory earth, 7¢ of plumbago, 1 of asbestos fibre, and 58¢ of granulated cast iron, or it may consist of particles of cast iron alone. These are moistened and dried, and again moistened before being rammed into the box. A. supplementary terminal h may be used for taking off current flowing to the cover. The terminals are insulated by mica washers g and are fixed in position by nuts e, f. Such resistances may be used for starting motors, and also in circuit with arc or incandescent lamps.
GB190820352D 1908-09-28 1908-09-28 Improvements in Apparatus for use as Resistances in Electric Circuits Expired GB190820352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190820352T 1908-09-28

Publications (1)

Publication Number Publication Date
GB190820352A true GB190820352A (en) 1908-12-03

Family

ID=32438837

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190820352D Expired GB190820352A (en) 1908-09-28 1908-09-28 Improvements in Apparatus for use as Resistances in Electric Circuits

Country Status (1)

Country Link
GB (1) GB190820352A (en)

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