Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Disk / Plate
Tyler Slide Rule
Weems and PlathU.S.A.
est. 195521.5 cm x 21.5 cmGeneral Purpose

Notes: "1) Unusual slide rule designed by John Tyler 2) Interesting design using non-linear curved scales to determine answers 3) Reference Rodger Shepherd's Article ""Log Spiral"" Devices, JOS Vol 9, no. 1 4) Has a spiral C scale and A, T, T2, S, S2, LN scales"

Image 1

Image 2