Hemmi 
No. 
Type 
Scales 
Note 
Hemmi?
(1) 
10" Mannheim 
Front: 10inch/ A =B, C= D  28cm, Well,
3255cm, Back: =S, L, T=, Constant. Tbl 

J.Hemmi
1/1 
10" Mannheim 
Front: 10inch/ A =B, C= D  27cm, Well,
3255cm, Back: =S, L, T=, Eq. Tbl 

1/1 
10" Mannheim 
Front: 10inch/ A =B, C= D  28cm, Back:
=S, L, T=, ,Eq. Tbl 

J.Hemmi
2 
10" Mannheim 
Front: 27cm/ A =B, C= D  10inch, Well 11
22 inch, Back: =S, L, T=, Eq. Tbl 

J.Hemmi
4 
10" Electro 
Front: 28cm/ LL2, A =B, C= D, LL3  10inch, Well
Dynamo  Motor, Volt Back: =S, L, T=, Eq. Tbl 

J.
Hemmi 6 
5" Mannheim 
Front: 5 inch/A =B, C= D, Back =S, L, T=,
Well 18  29cm 

J.
Hemmi 9 
5" Extra Fine Scales 
Front: 5 inch/A =B, C= D, Back =S, L, T=,
Eq. Tbl, Well 18  29cm 

22 
8" Practice 
Front: CI, C= D, A 
FC 
30 
4" Pocket 
Front: 10cm/A =B, CI, C= D, Back =S, L,
T= 

30
(Variant) 
4" Pocket 
Front: 4in/A =B, C= D 10cm, Back =S, L,
T= 

32 
4" Pocket 
Front: 4inch/ A =B, CI, C= D, Back: =S,
L, T= 
*1 
32
(Variant) 
4" Pocket 
Front: 4inch/ A =B, CI, C= D, Back: =S,
L, T= 
*1 
34RK 
5" Pocket 
Front: 14cm/ A =B, CI, C= D K, Back: =S,
L, T= 

P43D 
8" Student 
Front: A =B, CI, C= D, K, Back: =T, L, S=, 

45 
8" Student 
Front: DF =CF, CI, C= D, A, Back: =TI, L,
SI=, ,Eq. Tbl 

45K 
8" Student 
Front: K, DF =CF, CI, C= D, A, Back: =TI,
L, SI=, ,Eq. Tbl 

P45S 
8" Student 
Front: K, DF =CF, CI, C= D, A, Back: =TI,
L, SI= 

52 
5" Mannheim 
Front: 14cm/ A =B, CI, C= D  10in, Back:
=S, L, T=, ,Eq. Tbl, Well; 1729cm 

64 
10" Rietz 
Front: 27cm/ K, A =B, CI, C= D, L, Well
3358cm, Back: =S, S&T, T=, Eq. Tbl 

64T 
10" Rietz 
Front: 10inch/ K, A =B, BI, CI, C= D, DI, L, Back:
=T2, T1, ST, T=, Eq. Tbl 

70 
20" Rietz 
Front: 50cm/ K, A =B, CI, C= D, L 20in, Back:
=S, S&T, T= 

74 
5" Rietz 
Front: 14cm/ K, A =B, CI, C= D, L, Back:
=S, S&T, T= 

80/1 
10" Electro 
Front: 27cm/ LL2, A =B, CI, C= D, LL3  10inch,
Back: =S, L, T=, Eq. Tbl , Well:
DynamoMotor, Volt, 

80K 
10" Electro 
Front: 27cm/ DynamoMotor, Volt, A =B, CI, C= D,
LL3, LL2, K, Back: =S, L, T=, Eq. Tbl 

80K
(2) 
10" Electro 
Front: 27cm/ DynamoMotor, Volt, A =B, CI, C= D,
LL3, LL2, K, Back: =S, L, T=, Eq. Tbl 

90 
10" Stadia 
Front: 27cm/ L, C1 =M1, M2, C2= D, A K, IA, Back:
=S, S&T, T=, ,Eq. Tbl 

130 
10" Darmstadt 
Front: 10inch/ L, K, A =B, CI, C= D, Cos,SIN/COS,
tg/ctg Back: =LL1, LL2, LL3=, Eq. Tbl(En) 

130W 
10" Darmstadt 
Front: 27cm/ T, K, A =B, BI, CI, C= D, P, S, Back:
=L, LL0, LL1, LL2, LL3=, Eq. Tbl (En) 

135 
5" Darmstadt 
Front: 14cm/ T, K, A =B, CI,
C= D, P, S, Back: =L, LL1, LL2, LL3= 

P135k 
5" Darmstadt 
Front: T, K, A =B, CI, C= D, P, S, Back:
=L, LL1, LL2, LL3= 

143 
5" Commerce 
Front: P1, P2, DF =CF, CIF, CI, C= D, LL(2), Back:
A, N =M, ’, s/d, C= D, G 

149 
5" General Engineering 
Front: LL1/1, LL/2, LL/3, DF =CF, CIF, CI, C= D,
LL3, LL2, LL1, Back: L, K, A =B, TI, SI, C= C, LL0,
LL/0 (22 scales) 

149A 
5" General Engineering 
Front: LL1/1, LL/2, LL/3, DF =CF, CIF, CI, C= D,
LL3, LL2, LL1, Back: L, K, A =B, TI, SI, C= C, LL0,
LL/0 (22 scales) 

149A
(Odelco) 
5" General Engineering 
Front: LL1/1, LL/2, LL/3, DF =CF, CIF, CI, C= D,
LL3, LL2, LL1, Back: L, K, A =B, TI, SI, C= C, LL0,
LL/0 (22 scales) 

150 
10" Duplex 
Front: DF =CF, CIF, C= D, Back:
K, A =B, S, T= D, L 

153 
10" Electrical Engineering 
Front: L,K, A =B, CI, C= D, T, G_{theta},
Back: Theta, R_{theta}, P =Q, Q',
C= LL3, LL2, LL1 

153
variant 1 
10" Electrical Engineering 
Front: L,K, A =B, CI, C= D, T, G_{theta},
Back: Theta, R_{theta}, P =Q, Q', C= LL3,
LL2, LL1 

154

20" Electrical Engineering 
Front: DF, P', P =Q, CF, CI, S_{theta}=
A, D, K, Back: Sx, Tx, T_{theta} =Th, Sh,
C= D, L, x 

201 
20" Ultra Precision 
Front: L2.4, L1.3, A2.4, A1.3 =C4, C3, C2, C1=
D1, D2, D3, D4, Back: K4, K3, K2, K1 =CF4, CF3, CF2,
CF1= DF1, DF2, DF3, DF4 

250 
10" General 
Front: DF =CF, CIF, CI, C= D, L, Back:K,
A =B, TI2, TI1, SI= D, DI 

251

10" General/ Mechanical 
Front: L, DF =CF, CIF, CI, C= D, LL3, LL2, LL1,
Back: K, A =B, T, S, ST, C= D, DI 

254WN

10" High School 
Front: LL/1, LL/2, LL3, DF =CF, CIF, CI, C= D,
LL3, LL2, LL1, Back: LL/0, K, A =B, TI2, TI1, SI,
C= D, DI, L, LL0 

255

10" Electrical Engineering 
Front: L, K, DF =CF, CIF, CI, C= D, LL3, LL2, LL1,
Back: Sh1, Sh2, Th, A = B, TI2, TI1, SI, C= D, x,
Theta 

255D
(Odelco) 
10" Electrical Engineering 
Front: L, K, DF =CF, CIF, CI, C= D, LL3, LL2, LL1,
Back: Sh1, Sh2, Th, A = B, TI2, TI1, SI, C= D, DI,
x, Theta (24 scales) 

256 
10" Communications Engineering 
Front: L, db, Naper, DF =CF, CIF, CI, C= D, LL3,
LL2, LL1, Back: A, L [C, SI, SI] D, A, Lambda, F 

257L
(Odelco) 
10" Chemical Engineering 
Front: L, K, A, DF =CF, CIF, CI, C= D, LL3, LL2,
LL1, Back: Ch(2), M1 =M2, Temp(3), LM= mmHg, Kg/cm^2,
inHgVac, tw 

259D 
10" Mechanical Engineering 
Front: LL/1, LL/2, LL/3, DF =CF, CIF, CI, C= D,
LL3, LL2, LL1, Back: L, K, A =B, T, S, ST, C= D,
DI, LL0, LL/0 

260
(Odelco) 
10" Advanced Mechanical Engineering 
Front: LL/1, LL/2, LL/3, A, DF =CF, CIF, CI, C=
D, LL3, LL2, LL1, Back: LL/0, LL0, K, A =B, T, S,
ST, C= D, DI, P, L (26 scales) 

P261 
10" General 
Front: LL01, LL02, LL03, DF =CF, CIF, CI, C= D,
LL3, LL2, LL1, Back: T, ST, K, A =B, BI, CI, C= D,
L, P, S 

P263 
10" Commerce 
Front: P1, P2, DF =CF, CIF, CI, C= D, LL, Back:
A, N =M, Pound, S/D C= D, G 

264 
10" High School 
Front:LL3, LL2, DF =CF, CIF, CI, C= D, L, LL1,
Back:K, A =B, TI1, TI2, SI, D, DI 

P265 
10" Business 
Front:Profit, DF =CF, CIF, CI, C= D, LL2, LL1, Back:A,
D =Gauge Pts., Hour, Day= Month/Date, Hour Minutes 

266 
10" Electronics 
Front: LL3, LL2, LL2, A =B, BI, CI, L= D, dB/L,
S, T, Back: Xl, Xc, F, γ1  P =γ2  Q,
L, C, Cz= L, Z, f0 

P267 
10" Structural Design 
Front: ^{3}√(x3), DF =CF, CIF, CI,
C= D, √(x2), Back: ^{4}√(x4)
=λ_{δ}(conc.), λ_{δ}(trape.),
λ_{m} λ_{c}, P = Q, L, T,
S 

269 
10" Civil Engineering 
Front: CL, SL, M, TL =R, ST, T, S, C= D, DI, SinCos1,
SinCos2, Back: L, F, K, A =B, K1, CI, C= D, LL3,
LL2, LL1 

269
(Odelco) 
10" Civil Engineering 
Front: CL, SL, M, TL =R, ST, T, S, C= D, DI, SinCos1,
SinCos2, Back: L, F, K, A =B, K1, CI, C= D, LL3,
LL2, LL1 

275D

20" Electrical Engineering 
Front: L, K, DF =CF, CIF, CI, C= D, LL3, LL2, LL1,
Back: Sh1, Sh2, Th, A = B, TI2, TI1, SI, C= D, DI,
x, Theta (24 scales) 

279D

20" Mechanical Engineering 
Front: LL/1, LL/2, LL/3, DF =CF, CIF, CI, C= D,
LL3, LL2, LL1, Back: L, K, A =B, T, S, ST, CI, C=
D, DI, LL0, LL/0 (folded at pi) 

P280
(Ahrend) 
10" 
Front: T, K, A =B, CI, C= D, L, S, ST, Back:
=LL1, LL2, LL3= 
*2 
P402 
10" Corporate Analysis 
Front: Special scales for analysis, Back:
A, DF = CD, CI, C = D, LL(x2) 

640S 
10" General 
Front: 27cm/ K, DF =CF, CIF, CI, C= D, A, L, Back:
=STI, TI2, TI1, SI, CI= 

641 
10" General Engineering 
Front: 27cm/ K, A, DF =CF, CIF, B, CI, C= D, DI,
L, Back: =STI, TI2, TI1, SI, CI= 

2634 
5" Pocket 
Front: 14cm/ K, DF =CF, CI, C= D, A, Back:
=TI2, TI1, L, SI1= 
*2 
2641 
10" Elementary School 
Front: DF =CF, CI, C= D, A, Back: Eq. Tbl 

2664 
10" General 
Front: 10in/ K, DF =CF, CI, C= D, A  027cm, Back:
=TI2, TI1, L, SI1= 
DK 
2664
(Early Model) 
10" General 
Front: 10in/ K, DF =CF, CI, C= D, A+L  027cm,
Back: =TI1, TI2, SI2, SI1= 

2664S 
10" General 
Front: 27cm/ K, DF =CF, CIF, CI, C= D, A 13+13cm,
Back:=TI2, TI1, L, SI= 

2664SS 
10" General 
Front: 27cm/ K, A, DF =CF, CIF, CI, C= D, DI, Back:=TI2,
TI1, L, SI= 

Denkishoin 
10" 
Front: Neper, dB, L, DF =CF, CIF, CI, C= D, A, K, Back:
Ttheta2, Ttheta1, Stheta, R1 =R2, B, CI, C =D, SR, TR1,
TR2 

Metal
Chemical 
20" Metal Chemical 
Front: L, K, A, DF =CF, CIF, CI, C= D (°K), LL3,
LL2, LL1, Back:Ch_{AM}, Ch_{NZ},
M1, Xw =X, M2, TI, SI, G =P_{atm}, P_{mmHg}
tw, °F, °C (folded at pi) 

