7.12 Significant Rules

This list contains those rules that I feel are the more significant rules of the collection and have become some of my favorites, either because of their age, their historical significance, their complexity, their condition, or combinations of these qualities.

Maker Model Year Type Mat Length
Jacob and Halse Sector 1809 L iv 5.0
noID Gunter Rule
1840 L wd 24.0
Davies Routledge Engineer
1850 L wd 11.0
noID Comparative Rule
1880 L wd 9.0
Dring & Fage Inland Revenue Rule 1883-1902 L wd 12.0
K&E American/Favorite
1898 L wd 10.0
E.S.A. London Harrow Mark Reducer 1898-1925 L wd 11.0
K&E American
1900 L wd 10.0
Stanley Fuller’s Calculator Model No. 1 1909 H wd 500.0
K&E 4053-2 1910-1914 L wd 8.0
K&E 4092 1913 L wd 10.0
K&E 4133 1913-1922 L wd 8.0
K&E 4100 1915-1922 L wd 10.0
K&E 4083
1916 L wd 16.0
Gilson Midget 1919 C Al 12.0
Nestler 1a
1920 L wd 10.0
K&E 4035 1922 L wd 8.0
K&E 4092-3 1923 L wd 10.0
KHH Mannheim Multiphase Adjustable 1924 L wd 10.0
Nestler 33 Chemiker 1924-1933 L wd 10.0
Nestler 41 Pocket
1925 L wd 4.0
KHH Mannheim Multiphase Adjustable
1925-1930 L wd 10.0
K&E N4053-3F 1928 L wd 10.0
K&E 4093-3 1930 L wd 10.0
Nestler 24
1930 L wd 20.0
Gilson Atlas
1931 S Al 468.0
K&E 4093-3 1933 L wd 10.0
K&E Mystery 1933 L wd 10.0
K&E Mystery 1934 L wd 10.0
K&E N4096 1935 L wd 20.0
K&E N4092-5 1936 L wd 20.0
Hemmi 153 1936-1940 L wd 10.0
K&E 4081-3 1937 L wd 10.0
UIF Shanghai 4083-3 1939-1947 L wd 10.0
Gilson Midget
1940 C Al 12.0
K&E 4110 1940 L wd 6.5
Baetzmann Spring Calculator 1941 L wd 2.0
Fowler Long-Scale (RX) 1943 C ss 30.0
K&E N4133 1944 L wd 8.0
HH Universum 1945-1955 L wd 7.5
Pickett 1 1945-46 L Mg 10.0
American Blueprint Military 1948-1957 L wd 10.0
Otis King Model L 1949 H ss 66.0
Pickett 600 1950 L Mg 5.0
Felsenthal FAA-95 1950-1955 C pl 8.0
Hemmi 258 1951 L bb 10.0
K&E 4094 1951 L wd 10.0
Hemmi 255 1952 L bb 10.0
Hemmi 258 1952 L bb 10.0
Hemmi 258 1953 L bb 10.0
K&E 4081-3 1955 L wd 10.0
Hemmi 257 1956 L bb 10.0
K&E 4081-5 1956 L wd 20.0
Faber-Castell 2/82 1957 L pl 10.0
Hemmi 258 1957 L bb 10.0
Hemmi 258 1958 L bb 10.0
Pickett 4-ES 1958 L Al 10.0
Pickett N-515-T 1958-62 L Al 10.0
Pickett N-515-T 1958-62 L Al 10.0
Pickett N4-ES 1959 L Al 10.0
Concise 380
1959-1966 C pl 2.0
Aristo 1067U 1961 L pl 20.0
Dietzgen 1734
1963 L wd 10.0
Hemmi 258 1963 L bb 10.0
Pickett N600-ES
1964 L Al 5.0
Pickett N600-ES
1964 L Al 5.0
Pickett N4-ES 1964-1975 L Al 10.0
Boykin RotaRule Model 510 1965 S pl 50.0
Hemmi Pocket Versalog 1965 L bb 5.0
Otis King Model K 1965 H ss 66.0
Aristo 0969 1966 L pl 10.0
Pickett N3p-T 1966 L Al 5.0
Hemmi 258 1967 L bb 10.0
K&E 68-1130 1967 L pl 5.0
Thornton P221
1967 L pl 10.0
Hemmi Pocket Versalog 1968 L bb 5.0
Hemmi 258 1969 L bb 10.0
K&E 68-1100 1969 L pl 10.0
Aristo 0958 1970 L pl 10.0
Faber-Castell 2/83N 1970 L pl 10.0
Hemmi 258 1971 L bb 10.0
Dietzgen 1776 1972 L pl 5.0
Faber-Castell 62/83 1972 L pl 5.0
Hemmi 258 1972 L bb 10.0