ITW Magnetic Valve Switch

By Xah Lee. Date: 2022-05-29. Last updated: 2022-06-05.

ITW magnetic valve is a provisional name which refers to a type of electromagnetic switch patented by ITW and manufactured by ITW and Devlin.

patents:

US4099176 (1974)

US4017850 (1976)

US4227163 (1979)

Discontinued in 2005

[2018-09-26 from https://deskthority.net/wiki/ITW_magnetic_valve]

ITW magnetic valve G2 stabiliser PJPSM — ITW magnetic valve G2 stabiliser [image source, by Daniel Beardsmore [https://deskthority.net/wiki/File:ITW_magnetic_valve_G2_stabiliser_--_opened.jpg]]

Keyboard with ITW Magnetic Valve Switch

HP 2648A, 1978
Symbolics keyboard PN 365407 Rev C

2022-05-29

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