Slide Rules


Slide Rule Collection

Mike Syphers

last updated 1/1/2018

Summary Table

Count
C-Thru 1
Dietzgen 6
Engineering Instrumentation 1
Faber-Castell 4
Factory 10 (USSR) 1
Goodyear 1
K&E 25
Lawrence 1
MATSKU (USSR) 1
noID 4
Otis King 1
Pickett 16
Post-Sun-Hemmi 14
Relay-Richo 1
Rietz 2
Stanley 1
Sterling 3
Takeda 1
Unique 1

Total count = 85.


Keuffel and Esser, USA 

Total number of K&E slide rules in the collection: 25.

Model Year Serial Case Notes
4041 1900-1906 A11 no Rule in decent condition; quite yellowed; prod. mark “A11” on end of rule; square metal/glass cursor; no model number on rule
4053-3 1910-1914 374* no good condition; no cursor; prod. marks 374* on end of rule
4088-3 1913-1914 55 box good condition, box too; prod. marks “55” on end of rule
4041 1915-1921 207 box Rule in good condition; prod. mark “207” on end of rule
4058 1915-1925 no Student’s Rule; nice condition
4088-3 1916-1922 324 box Rule in good condition; prod. mark 324 on end of rule
4058 1916-1922 no good condition; very early 4058
4088-3 1923 39516 no good condition
4092-3 1923 64405 yes good condition; serif type; Doc McClain; stitched case
N4053-3 1925 140188 yes stitched case; C.H. Drake, O.S.C.
4092-3 1927 277653 yes stitched case; missing flap
4092-3S 1928 295472 yes stitched case; R.W. Bluhm
4092-3S 1931 441408 yes stitched case; J.A.B.
4058W 1930-34 box Beginner’s Rule; wood curser frame
N4053-5 1934 633813 yes 20in slide rule; very nice condition
4058W 1936-43 box Beginner’s Rule
N4041 1938 833535 box rule, box in nice condition
4054 1945 219646 yes nice box; broken cursor block
4055 1949 568414 yes
4081-3 1949 589003 yes very worn-out case; “U. Illinois” engraved, as well as “Gates”
4080-3 1951 762828 yes rivited leather case; McIntyre; missing screw, glass on curser
4081-3 1953 912871 yes rivited case, metal ring; O’Neal
9071-3 1954 10192 yes case deteriorating; DORIC rule (only made for ~2 yrs)
4181-1 1954 143610 yes black leather, with metal clip
4181-1 1955 111945 yes black leather, stitched

Pickett, USA  

Total number of Pickett slide rules in the collection: 16.

Model Year Serial Case Notes
2 1946-47 29517 yes Magnesium, Deci Log Log label, “How to keep your Deci.Point slide rule a perfect precision instrument” sheet
1000 1945-49 A075934 no Magnesium; P&E label
K500 1948 B056801 no Magnesium; P&E label
500 1948 B114270 yes Magnesium; P&E label; fabric cover + plastic case
500-T 1952-54 yes Label style 3; grooved rail
20-BASIC c. 1955 yes Label style 3; Leather case with clip
4-ES 1958 yes Label style 4; grooved slide; leather case, box, instructions, warranty, other notes; very good condition
600-ES 1959 yes leather case: Electrosolids Corp., Hollywood; cracked cursor
N-500-ES 1962 yes “Mike Lawter” on case
N-500-ES 1962 yes 1962 © mark; leather case with belt clip
N600-T 1962 yes 1962 © mark; leather case with clip and pull-extractor; flat lens
N1006-ES 1962-64 no rule, box, instructions; no case
ELECT. N-515-T 1962-65 yes Aluminum+leather case, strap – great condition
N909-ES 1962-75 yes metric conv.on back
N-500-T 1964-75 yes Aluminum+leather case
N902-ES 1973 yes Complete package — box, case, instructions; sticker: “5 moon flights” on box (price tag, $6.95)

Post, USA (and Sun/Hemmi, Japan)  

Total number of Post, Sun and Hemmi slide rules in the collection: 14.

Model Year Serial Case Notes
1441/ model 32 1930-43 yes + box references to Japan scratched out
1447 1941 yes plastic case; instructions
1442 1945 yes
1441 1947-49 yes + box “Made in Occupied Japan” on inside of leather case, side of cursor
1460 1951 BF box original 1460 box
1441/model 30 1953+ yes
1460 1953 DC yes leather, stitched case; D.P. Hoose
1447 1954 EA box
153 1955 box nice condition, but cracked cursor; instructions
1441 1957 HJ yes
1447S 1962 box
1460 1963 414982 yes NJ (date = Oct1963) stamped into stock
1460 1966 724327 yes case in very nice condition
1460 1968 924473 yes case in very nice condition

Dietzgen, USA  

Total number of Dietzgen slide rules in the collection: 6.

Model Year Serial Case Notes
1745 c. 1940 yes cursor in fragile condition; case is for “1745 LM”; likely not original
1732 c.1952 542899 yes worn case; rule in good shape; “87” stamped on end of stock; owned by “Reitz”
1732 c. 1952 548230 yes + box rule in very good condition
1739-L 1954 no dirty, but good condition
1767 c.1965 yes missing end plates; torn case
1776 1972 yes + box box, instructions, leather case

Faber-Castell, Germany  

Total number of Faber-Castell slide rules in the collection: 4.

Model Year Serial Case Notes
1900 box box, rule both in excellent shape; almost like new; rule: 1888-1900, but box says 1900
1900 box “Made in Germany” - 1888-1900; digit-registering curser, cracked glass; box has “1900” reference
1921 box instructions and original box
1/87m 1947 box German; 3 hairlines; nice rule

Sterling, USA  

Total number of Sterlng slide rules in the collection: 3.

Model Year Serial Case Notes
587 1972 no pocket rule; from my high school years (Soph year, 1972)
594(?) 1973 yes Decimal Trig Log-Log; from my high school years (Jr year, 1973)
594(?) 1973 yes Decimal Trig Log-Log; duplicate of my high school rule


Others   

   

    


Total number of Other slide rules in the collection: 13.

Maker Model Year Serial Case Notes
Stanley Fuller’s Calculator Model No. 1 1909 2668 - 09 box Original wooden box, with original instructions and flyers; museum quality (see Docs, next column)
Lawrence 10-B 1942 yes good condition; made in Peru, IN
Unique Navigational 1943 box Original box from London; Lt. Filipek (1943) ~WWII
Goodyear c.1950 yes original paper “case”
Engineering Instrumentation 10-B c.1950 no made in Peru, IN; no cursor
Otis King Model L, Type B/C (rare) c.1950 R1513 box Original box, instructions (8 pg, folded)
Factory 10 (USSR) YCP-12 1957 box nice condition; made in year of “Sputnik” (and my birth year!)
Rietz UTO 601 c.1960 yes + box promo-“Acme Industries, Jackson, MI”; very good condition
Rietz UTO 601 c.1960 yes promo-“Joslyn Service” (on rule + case)
Relay-Richo No. 311 c.1960 yes perfect condition
MATSKU (USSR) KL-1 1969 box box, directions
Takeda No. 28 c.1970 yes good condition
C-Thru S-96 c.1973 no from my high school years

Unidentified

`Total number of unidentified slide rules in the collection: 4.

Model Year Serial Case Notes
c.1940 yes Made in France; no company ID; “This rule belonged to my Dad who worked as an engineer for RCA Camden from the 30’s through their demise. All the best… Kathy” from FindGreatStuff, Medford, NJ
c.1950 yes Made in U.S.A.; no company ID; case (Tom Walsh); nice and precise
c.1970 no Made in Japan; from my high school years
c.1970 yes Made in U.S.A.; no company ID

Comments