8 public-domain matches

Slide Rule

Cover of Thacher's calculating instrument or cylindrical slide-rule

Thacher's calculating instrument or cylindrical slide-rule

Edwin Thacher

Cover of The slide rule

The slide rule

Charles N. Pickworth

Cover of An oceanographic slide rule for computing temperature, depth, and salinity

An oceanographic slide rule for computing temperature, depth, and salinity

Margaret F. Culbertson

Cover of Slide Rule Notes

Slide Rule Notes

C. V. B.

Cover of On the Invention of the Slide Rule 1

On the Invention of the Slide Rule 1

Unknown author

Cover of Slide Rule Simplified Harris

Slide Rule Simplified Harris

Charles O. Harris

Cover of Instructions for the use of a slide rule for radiation calculations

Instructions for the use of a slide rule for radiation calculations

M. W. Makowski

Cover of Slide-rule notes

Slide-rule notes

H.C Dunlop