5.7 Years 1950-1959

Number of slide rules: 57.

Year Maker Model
c.1950 Engineering Instruments 10-B
c.1950 Goodyear promo
1950 K&E N4058W
1950 K&E 4070-3
1950 Pickett 600
1950-1955 Felsenthal FAA-95
1951 Aristo 966H
1951 Felsenthal Logarithmic Calculator FF-6
1951 Hemmi 258
1951 K&E 4055
1951 K&E 4094
c.1952 Dietzgen 1732
c.1952 Dietzgen 1732
1952 Hemmi 255
1952 Hemmi 258
1952 J.B. Carroll Associated Spring M110
1952-1956 Blundell Rules Limited Radiac No. 1
1952-54 Pickett 500-T
1953 Hemmi 50W
1953 Hemmi 258
1953 K&E 4080-3
1953 Pickett 3-T
1953-1956 Faber-Castell 67/54R
1954 Aristo 970
1954 Dietzgen 1739-L
1954 Hemmi 40RK
1954 K&E N4081-3
1954 Pickett N1040-ES
1954 Thornton P.I.C. F3649
c.1955 Concise 270
1955 Hemmi 153
1955 K&E 4081-3
1955 Kahl Scientific Culbertson Slide Rule
c.1955 Pickett 20-BASIC
1956 Hemmi 257
1956 K&E 4081-5
1956 K&E 4181-3
1957 Faber-Castell 2/82
1957 Factory10 YCP-12
1957 Hemmi 32
1957 Hemmi 258
1957 K&E 4097C
1957 K&E 4181-1
1957 K&E 4181-1
1958 Hemmi 258
1958 Pickett 4-ES
c.1958 Pickett N1010-ES Trig Demonstration
1958-1962 Pickett 14
1958-62 Pickett N-515-T
1958-62 Pickett N-515-T
1958-62 Pickett N1006-ES
c.1958-62 Pickett N1010-T TRIG
c.1958-62 Pickett N1010-T TRIG
1959 Hemmi 50W
1959 Pickett N4-ES
1959 Pickett 600-ES
c.1959-1966 Concise 380