RÉGUA DE CÁLCULO / SLIDE RULE (Part 2 of 3)

Slide Rule / Régua de Cálculo

SLIDE RULE - RÉGUA DE CÁLCULO.

How to use a Slide Rule (C and D scales) analog computer multiplication.

23 min. 11 sec.

SLIDE RULE - RÉGUA DE CÁLCULO.

How to Use a Slide Rule - Easy Explanation  Lesson - 1957.

30 min. 51 sec.

Research source: Periscope Films and 16mm Educational Films.

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