Slide rule

Details Slide rule Slide rule

1984-12-07

1985-08-27

Hix, L. T.

Registers

Calculators

Bar

235 78R, 235 88R, G06G 102

Patent

active

045380554

ABSTRACT:
A slide-rule is obtained by superpositioning and connecting three plates (1, 2, 3) into the middle one of which slots (20, 21) are milled, and thereafter cutting off the boundary areas (5, 6, 7, 8), including the boundary areas (5, 6) of the middle plate (2), into which the slots (20, 21) do not extend.

REFERENCES:
patent: 3539781 (1970-11-01), Pryor
patent: 4262739 (1981-04-01), Schoettle, Jr.

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