Charts that compute

Catalogued

Reciprocal (1/x) graph paper

Made by
Various
Year
1900s
Field
Nomograms and computing charts
Kind
Graph paper
Room
Charts that compute — Placed by reading its description, not yet studiedCould also hang in: Change over time
Skeleton drawing, not the original plate

4 other forms share this skeleton

Source

Lipka 1918, Graphical and Mechanical Computation

Attribution less certain: contested, or no single inventor recorded

Searches, not citations

archive.orgcommons.wikimedia.orgscholar.google.com