P192 Hemmi-Westinghouse 4 inch
Made in Japan by Sun Hemmi for Westinghouse (U.S.)
Front Scale
4in || A [ B, CI, D || 10cm
Back Slider
[ S, L, T ]
P223 Hemmi 30 w/ Magnifier
Made in Occupied Japan - Note: A and B scale missing π symbol at 3.14
Front Scale
10cm // A [ B, CI, C ] D
Back Slider
[ S, L, T ]
P143 Hemmi 30 w/ Magnifier
Made in Japan
Front Scale
10cm // A [ B, CI, C ] D
Back Slider
[ S, L, T ]
P139_Hemmi 30 SKF
Made in Japan - Date Code MD - Metal Cursor
Front Scale
10cm // A [ B, CI, C ] D
Back Slider
[ S, L, T ]
P141 Hemmi 32 w/ Magnifier
Made in Occupied Japan
Front Scale
4in // A [ B, CI, C ] D
Back Slider
[ S, L, T ]
P140 Hemmi 32 w/ Magnifier
Made in Japan - Date code GE
Front Scale
4in // A [ B, CI, C ] D
Back Slider
[ S, L, T ]
P177 Hemmi 34 RK
Made in Japan - Early Cursor
Front Scale
14cm // A [ B, CI, C ] D, K
Back Slider
[ S, L, T ]
P136 Hemmi 34 RK
Made in Japan - Late model Cursor
Front Scale
14cm // A [ B, CI, C ] D, K
Back Slider
[ S, L, T ]
S261 Hemmi 40 Occupied Japan
Made in Occupied Japan - Bamboo
Front Scale
A [ B, C ] D
Back Scale: [S, L, T]
Back: Conversions
S060 Sun Hemmi 45K 8"
Made in Japan - Bamboo
Front Scale
K, DF [ CF, CI, C ] D, A
Back Scale: [TI, L, SI]
Back: Conversions
S243 Sun Hemmi 64
Made in Japan - Bamboo
Front Scale (extended)
27cm // K, A [ B, CI, C ] D, L || 10inch
Back: Conversions, gauge marks
Multiple Hairlines.
Note: The original user added a secondary info label behind the stock
REF Sun Hemmi 66 Rietz
Made in Japan - Bamboo - Date Codes: LG HD
Front Scale (extended)
15cm // K, A [ B, CI, C ] D, L || 8cm-0-8cm
Back Scale: [S, S&T, T]
Back: Conversions, gauge marks
Multiple Hairlines.
| Scan donated by the Owner, Dr. H. John Krijnen, (1946- ) Netherlands, a retired Anesthesiologist and pain specialist who studied at Leiden University. He bought and used slide rules like this one in his practice to calculate dosages of various drugs. He has published two books on the Great War and maintains an interest in slide rules, photography, markmanship and painting. |
S243 Sun Hemmi 74 System Rietz - Kanthal Promotional
Made in Japan - Bamboo - has brass stock spacer
Front Scale (extended)
14cm // K, A [ B, CI, C ] D, L
Back Scale: [S, S&T, T]
Multiple Hairlines.
S410 Sun Hemmi 80/1 Electro
Made in Japan - Bamboo
Front Scale (extended)
27cm // K, A [ B, CI, C ] D, L || 10inch
Back Scale: Conversions, gauge marks
Well Scale: Dynamo/Motor (Efficiency), Volt (Drop)
Note: the aluminum knife edge on the slide and the backing have
been corroded away. This was found in Beijing, China.
Archive - No longer in collection
P081 Hemmi 149A
Made in Japan
Front Scale
L, K, A [ B, TI, SI, C ] D, LL0, LL/0
Back Scale
LL/1, LL/2, LL/3, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Odelco Logo
S230 Sun Hemmi 153
Made in Japan - Date code BC
Front Scale
L, K, A [ B, CI, C ] D, T, Gθ
Back Scale
θ, Rθ, P(sin) [ Q(cos), Q', C ] LL3, LL2, LL1
S324 Sun Hemmi 153
Made in Japan - Date code BF
Front Scale
L, K, A [ B, CI, C ] D, T, Gθ
Back Scale
θ, Rθ, P(sin) [ Q(cos), Q', C ] LL3, LL2, LL1
S325 Hemmi 251
Made in Japan - Date code BC
Front Scale
K, DF [ CF, CIF, C ] D, A
Back Scale
L, DF [ CF, CIF, CI, C ] D, D1
S034 Hemmi 251
Made in Japan - Date code GA
Front Scale
K, DF [ CF, CIF, C ] D, A
Back Scale
L, DF [ CF, CIF, CI, C ] D, D1
S071 Hemmi 255
Made in Japan - Date code EF- Had US Gov't on it
Front Scale
Sh1, Sh2, Th, A [ B, TI2, TI1, S1, C ] D, LL3, LL2, LL1
Back Scale
L, K, DF [ CF, CIF, CI, C ] D, X, Theta
Original Owner/Location: K.Fooshee/USA
S274 Hemmi 255D
Made in Japan - Date code MI - rearranged scales
Front Scale
Sh1, Sh2, Th, A [ B, TI2, TI1, S1, C ] D, DI, X, Theta
Back Scale
L, K, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Original Owner/Location: unk/USA
S033 Hemmi 256
Made in Japan - Date code EE
Front Scale
A, L [ C, S1, T1 ] D, Lamda, F
Back Scale
L, db, Neper, DF[ CF, CIF, CI, C ] D, LL3, LL2, LL1
Original Owner/Location: Unk/Yuma, AZ
REF Hemmi 257
Made in Japan by Sun Hemmi
Front Scale
L, A, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Back Scale
Ch(A-M), Ch(N-Z), M1(Xw) [ M2(X), Temp(F,C,K)°, F(t) ] Kg/cm2, P mmHg(atm), P inHgVac(lb/in2 gage), tω(°C)
Archive - Chris Gillings Collection
REF Hemmi 257-L (Odelco)
Made in Japan by Sun Hemmi for Odelco
Front Scale
L, K, A, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Back Scale
Ch(A-M), Ch(N-Z), M1(Xw) [ M2(X), Temp(F,C,K)°, LM ] mmHg, Kg/cm2, inHgVac, tω
Archive - Atsushi Tomozawa Collection (Japan)
S002 Hemmi 259
Made in Japan
Front Scale
L, K, A [ B, T, S, ST, C ] D, LL0, LL/0
Back Scale
LL/1, LL/2, LL/3, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Original Owner/Location: Paul Olson/Australia
S358 Hemmi 259-D dc-MB
Made in Japan - date code MB
Front Scale
L, K, A [ B, T, S, ST, C ] D, DI, LL0, LL/0
Back Scale
LL/1, LL/2, LL/3, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Original Owner/Location: George Ingram/U.S.A
REF Sun Hemmi 260 - same as Post Versalog 1460
Made in Japan
Front Scale
LL/0, LL0, K, A [ B, T Cot, S Cos, ST, C ] D, DI, P, L
Back Scale
LL/1, LL/2, LL/3, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Archive - Atsushi Tomozawa Collection (Japan)
REF Hemmi 266 Electronic
Made in Japan by Sun Hemmi
Front Scale
LL3-, LL2-, LL2 A [ B, BI, CI, L ] D, dB/L, S, T
Back Scale
XL, TL, Xc, R,Tc, F, fm, y1, P [ y2, Q, L, L, Cf, C, C, Cz ] L, Z, fo, λ
Archive - Atsushi Tomozawa Collection (Japan)
P137 Hemmi 2634
Made in Occupied Japan
Front Scale
5in // K, DF [ CF, CI, C ] D, A
Back Slider
[ TI1, TI2, L, SI1 ]
S022 Hemmi 2664S
Made in Japan
Front Scale
Inch Ruler, A [ B, CI, C ] D, K, Metric Ruler
Back Slider
[ S, L, T ] Back: Conversion Chart
Hughes-Owens/Geotec 
