Schneemanns web page
Dennert & Pape, Hamburg (D)
| date codes: | |||||||||||||||
| (source: www.sliderulemuseum.com) | |||||||||||||||
| Factory codes: | |||||||||||||||
| 1st character, either alpha or numeric | |||||||||||||||
| Letter Code | Number Code | Factory | |||||||||||||
| H | 2 | Hamburg | |||||||||||||
| G | 3 | Geretsried | |||||||||||||
| W | 4 | Wörgl | |||||||||||||
| Year Code: | |||||||||||||||
| 2nd & 3rd Character | |||||||||||||||
| Up to about 1959 dates were included in the manufacturing code as a number after that the alpha codes were used | |||||||||||||||
| A | R | I | S | T | O | F | L | E | X | ||||||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||||||
| Lot Number: | |||||||||||||||
| 4th & 5th Character | |||||||||||||||
examples:
2FX16 - Manufactured
1969 in lot 16 in Hamburg
3LS06 - Manufactured 1973 in lot 06 in Geretsried
| Junior | 901 | |||||
| front, left | front, right | |||||
| length |
33 cm (scales 25 cm) |
|
|
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| width | 4,4 cm | |||||
| year | 1974 | |||||
| date code | 3LT15 | |||||
| material | plastic | |||||
| scales, front |
DF [ CF, CIF. CI, C ] D, A, K |
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| scales, back | blank | |||||
| manual | ||||||
| Scholar LL | 903 LL | |||||
| front, left | front, right | |||||
| length |
33 cm (scales 25 cm) |
|
|
|||
| width | 4,4 cm | |||||
| year | 1967 | |||||
| date code | 3FL70 | |||||
| material | plastic | |||||
| scales, front |
L, K, A, [ B, CI, C ] D, S, ST, T |
|||||
| scales, back | cm, [ S, LL2, LL3 ] inch | |||||
| manual | ||||||
| back, left | back, right | |||||
|
|
|
|||||
| Trilog | 908 | |||||
| front, left | front, right | |||||
| length |
33 cm (scales 25 cm) |
|
|
|||
| width | 4,4 cm | |||||
| year | 1976 | |||||
| date code | 3LF7 | |||||
| material | plastic | |||||
| scales, front |
T1, T2, A [ B, BI, CI, C ] D, P, S, ST |
|||||
| scales, back | LL1, LL2, LL3, DF [ CF, CIF, CI, C ] D, L, K | |||||
| manual, formula collection, | ||||||
| symbols from "Mengenlehre" | ||||||
| back, left | back, right | |||||
|
|
|
|||||
A.W. Faber, Stein b. Nürnberg (D)
| 375 | ||||||
| system Rietz | front, left | front, right | ||||
| length |
29,5 cm (scales 25 cm) |
|
|
|||
| width | 3,9 cm | |||||
| year | 1910 - 20 | |||||
| material | celluloid on wood, glas | |||||
| scales, front |
K, A, [ B, C ] D, L |
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| scales, back | [ S, ST, T ] | |||||
| scales, top/bottom | cm; reduction 1:25 | |||||
| scale, inside | cm, extention of body | |||||
| tables on back | spec. resistance, conversions, constants, spec.gravity, wall thickness | |||||
| back of slide | back, left | |||||
|
|
 |
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| Schul-Disponent | 51/22 | |||||
| front, left | front, right | |||||
| length |
30 cm (scales 25 cm) |
|
|
|||
| width | 3 cm | |||||
| year | ca. 1940 | |||||
| material | Celluloid on wood | |||||
| scales, front |
DF (KZ) [ CF, CI (p%), C (T)] DZ, L |
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| conversion factors | ||||||
| slider, back | [LL1, LL2, C] | |||||
| slider back, left | slider back, right | |||||
|
|
 |
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| D-Stab | 52/82 | |||||
| front, left | front, right | |||||
| length |
32 cm (scales 25 cm) |
|
|
|||
| width | 4,2 cm | |||||
| year | 1971 | |||||
| material | plastic | |||||
| scales, front |
L, K, A, [ B, CI, C ] D, LL1, LL2, LL3 |
|||||
| scales, back | T1, T2, DF, [ CF, CIF, CI, C ] D, S, ST, P | |||||
| manual, symbols from "Mengenlehre" | ||||||
| back, left | back, right | |||||
|
|
 |
|||||
| Schul-D-Stab | 52/82 | |||||
| front, left | front, right | |||||
| length |
32 cm (scales 25 cm) |
|
|
|||
| width | 4,2 cm | |||||
| year | 1971 | |||||
| material | plastic | |||||
| scales, front |
L, K, A, [ B, CI, C ] D, LL1, LL2, LL3 |
|||||
| scales, back | T1, T2, DF, [ CF, CIF, CI, C ] D, S, ST, P | |||||
| back, left | back, right | |||||
|
|
 |
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Bohemia Works - Toisen Dor, Czechoslovakia
| Exponent | 27602-II | |||||
| front, left | front, right | |||||
| length |
33 cm (scales 25 cm) |
|
|
|||
| width | 5 cm | |||||
| year | ca. 1960 | |||||
| material | plastic | |||||
| scales, front |
L, P, K, A, [ B, CI, C ] D, S, T, ST |
|||||
| scales, back | LL1, LL2, LL3, DF, [ CF, CIF, CI, C ] LL00, LL01, LL02 | |||||
| back, left | back, right | |||||
|
|
|
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Albert Nestler, Lahr (D)
| 23 | ||||||
| system Rietz | front, left | front, right | ||||
|
|
|
|||||
| length |
28,5 cm (scales 25 cm) |
|||||
| width | 3,7 cm | |||||
| year | ca. 1910 | |||||
| material | celluloid on wood, glas | |||||
| scales, front |
K, A, [ B, CI, C ] D, L |
|||||
| scales, back | [ S, ST, T ] | |||||
| scales, top/bottom | cm; reduction 1:25 | |||||
| scale, inside | cm, extention of body | |||||
| tables on back | constants, conversions, spec.gravity | |||||
| mech.properties | ||||||
| leather etui | ||||||
| back of slide | back | |||||
|
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|
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Carbic Ltd., London UK
| model K | ||||||
| serial number | X0532 |
|
|
|||
| length |
15,5 cm (scales 160 cm) |
|||||
| diameter | 3 cm | |||||
| year | ca. 1965 | |||||
| material | ||||||
| scales, bottom |
414 |
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| scales, top | 423 | |||||
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last updated: 12-Mrz-12
