5.9 Years 1970-1979

Number of slide rules: 22.

Year Maker Model
1970 Aristo 0958
c.1970 C-Thru PS-79
c.1970 Concise 28
1970 Faber-Castell 2/83N
c.1970 Fearns Calculators A13
c.1970 K&E 68-1892
c.1970 Sterling 587
c.1970 noID noID
1970-1972 Dietzgen 1771
1971 Hemmi 258
1971 Reiss 3223 Progress
1972 Dietzgen 1776
1972 Faber-Castell 52/82
1972 Faber-Castell 62/83
1972 Hemmi 258
1972 Relay-Ricoh 150
1972 Sterling 587
1972 Sterling 694
1972 Sterling 694
c.1973 C-Thru S-96
1973 Pickett N902-ES
c.1974 Relay-Ricoh 151