LISTING OF ALL KNOWN SLIDE RULES WITH HYPERBOLIC SCALES by William K. Robinson December 18, 2006
Maker, Name and Other Information
  (See the footnotes below this list for sources of information; and for explanations of symbols used, and for values of the different gauge and cursor marks).    
1 ALVIN (Japan San-Ai Group) ALVIN ELITE VECTOR No. 1157    25 cm.; Plastic face on laminated wood ; Cursor is not framed. Has adjustable metal end brackets. WKR  
Front scales:  || Sr, Sq & Sq , P’, P || Q, CF, CI, C || D, DF, LL2, LL3 || Note:Sr is radians; Sq degrees Back scales:  || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db ||  Note: db is 20 lg x  
Gauge Marks on scales: p is on A, B, C, D, CF and DF;  p / 4 and  M is on A and B;  C and C1 are on C and D. Cursor Front: has no marks.  
  Cursor Back: has marks; KW at top middle ; HP(*) is at right on vertical line over A & B scales; p /4 is at a vertical line on left over the A & B scales, and  Ö4/p on the right over the C & D scales.      
2 ARISTO (Germany) Made in Hamburg ARISTO HyperboLog No. 971  1953 - 1960 25 cm.; Plastic; Cursor is not framed.  This early version has adjustable metal end brackets WKR  
Front scales:  || LLo1, LLo2, LLo3, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| Back scales:  || Th, K, A || B, T&T, ST, S&S, C || D, DI, Sh2, Sh1 ||  
Gauge Marks on scales: p  is on A, B, C, D, CF, DF, CI, DI, and CIF.  The marks " and  ' are on scale ST. Cursor Front: has no marks.  
  Cursor Back: has marks; KW at top middle ; HP(*) at right on vertical line over A & B scales; There is a  p/4 vertical line on left over the A & B scales.            
3 ARISTO (Germany) Made in Germany ARISTO HyperboLog No. 0971  1961 - 1972 25 cm.; Plastic; Cursor is not framed.  Has fixed plastic end brackets and rubber feet. WKR  
Front scales:  || LLo1, LLo2, LLo3, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| Back scales:  || Th, K, A || B, T&T, ST, S&S, C || D, DI, Sh2, Sh1 ||  
Gauge Marks on scales: p  is on A, B, C, D, CF, DF, CI, DI, and CIF.  The marks " and  ' are on the back C scale;  e is on LL2 and LL3. Cursor Front: has a mark on right over CF/DF scales (for multiplication of the value on C/D by 36).  
Cursor Back: has marks; kW at top middle ; HP(*) at right on vertical line over A & B scales; There is a  p/4 vertical line on left over the A & B scales, and √4/p on right over C and  D scales.  
4 In another version of the same No. 0971 rule the Cursor Back has marks; kW at top middle and PS2 at right on vertical line over A & B scales; p/4 is left over the A and B scales; and √4/p is right over the C and D scales.    
5a ARISTO (Germany) ARISTO HyperLog No. 0972  1969 - 1977 25 cm.; Plastic; Cursor is not framed.  Has fixed plastic end brackets and rubber feet. WKR  
Front scales:  || Lloo, LLo1, LLo2, LLo3, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1, LLo || Back scales:  || H2, Sh2, Th, K, A || B, T&T, ST, S&S, P, C || D, DI, Ch, Sh1, H1 ||  
Gauge Marks on scales: p is on A, B, C, D, CF, DF,CI, CIF, and DI.  The marks Q” and Q’are on back scale C;  e is on LL2 and LL3.  
Cursor Front: has marks; there's a vertical mark on right over CF/DF scales (for multiplication of the value on C/D by 36);  p/4 is left over the A and B scales; and √4/p is right over the C and D scales.  
  Cursor Back: has marks; kW at top middle ; PS2 at right on vertical line over A & B scales; There is a  p/4 vertical line on left over the A & B scales, and √4/p on right over the C and D scales.      
5b ARQUIMEDES (Brazil) Archimedes Vectolog 21-D   25 cm. J.R.G.  
Front scales:  || LLo1, LLo2, LLo3, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || Back scales:  || L,  K, A || B, T, ST, S, C || D, Th, Sh2, Sh1 ||  
  Have no other details on this slide rule. It was reported to the ISRG to exist by Joäo Roberto Gabbardo 06/09/2006. By email he furnished me the information shown here. We do not have pictures of the rule, and so scale arrangement is estimated.   
6 BEACON (Korea) BEACON KOREA No. 315    25 cm.; Plastic; Cursor is not framed.  Has adjustable metal end brackets WKR  
Front scales:  || L, K, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || Back scales:  ||Sh1, Sh2, Th, A || B, TI2&TI2, TI1&TI1, SI&SI, C || D, DI, X, q ||  Note: X is radians; q degrees  
  Gauge Marks on scales: p is on CF and DF; c is on the back C scale.             Cursor Front and Back: has no marks.    
► SEE THE NOTE AT END OF THIS LISTING REGARDING THE SLIDE RULES DESIGNED BY F. BLANC AND J. ST. VINCENT PLETTS       R. S.  
7a BLUNDELL (Great Britain) Multilog Vector Duplex No. JV 56  1957-1965 Source: Hopp page 144.  PMH  
  Do not have a picture or manual for this slide rule. Hopp shows same scales as below No. 506 (Academy Duplex). So these two slide rules may be almost the same.  To check this need gauge marks and cursor lines information.    
7b BLUNDELL (Great Britain) Log-Log Electro No. 506 ( Academy Duplex) 1965-1970 25 cm.; Plastic; Cursor is not framed.  Has fixed plastic end brackets and rubber feet. WKR  
Front scales:  || LL01, Ll02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || Back scales:  || Sinh1, Sinh2, Tanh, A || B, T&T, ST, S&S || D, DI, K, L ||  
Gauge Marks on scales: p  is on A, B, C, D, CF, DF, CI, DI, and CIF; The marks 9' and 9" are on front scales C and D.   Cursor Front: has no marks.  
  Cursor Back: There is a HP(*) vertical line mark at right over A and  B scales; There a p /4 vertical line on left over the A and  B scales, and √4/p on the right over the C and D scales.        
8 BLUNDELL (Great Britain)  Log-Log Electro No. A506 ( Super Duplex) 1970-1980 25 cm.; Plastic; Cursor is not framed.  Has fixed plastic end brackets and rubber feet. PMH and  
Front scales:  || LL01, Ll02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1|| Back scales:  || Sinh1, Sinh2, Tanh, A || B, T&T, ST, S&S || D, DI, K, L || clara.co.  
Have a picture for this slide rule from Ron Manley's Web Site of "sliderules.clara.co.uk". Has same scales as above No. 506 (Academy Duplex) but some are with different type fonts and colors.  
  Need gauge marks and cursor lines information as pictures do not show this detail.                      
► SEE THE NOTE AT END OF THIS LISTING REGARDING CHINESE SLIDE RULES.                  
9a CHINA BEIJING 6681 Haiou Pai (Seagull) See Haiou Pai on this list 25 cm.; Plastic; Cursor is not framed.  Has fixed plastic end brackets and rubber feet. WKR  
Front scales:  || Ln01, Ln02, Ln03, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1 || Back scales:  || L, Sh1, Sh2, A || B, T, ST, S, C || D, P, Th, Ch ||  
  Need gauge marks and cursor lines information as pictures do not show this detail.                      
9b CHINA BEIJING LIXUE       No number       Same as  listed under Sida (China) 1083       Has same scales as K&E 4083-3 (1939-1946)     R. H.  
10 CHINA SHANGHAI       Cultural Revolution Slide Rule 1002   This appears to be a renamed Flying Fish 1002       eBay  
11 CHINA SHANGHAI 1015-1   Maybe same as listing under Flying Fish 1015-1 eBay  
  Do not have a picture or manual for this slide rule. Hopp does not list it. Need complete information: listing of details of dimensions, physical appearance, scales, gauge marks,cursor lines, etc.      
12 CHINA SHANGHAI 1018     Maybe same as listing under Flying Fish 1018 eBay  
  Do not have a picture or manual for this slide rule. Hopp does not list it. Need complete information: listing of details of dimensions, physical appearance, scales, gauge marks,cursor lines, etc.      
13 CHINA SHANGHAI 5891 (Has same scales as K&E 4083-3 (1955 ) Maybe same as listing under Shanghai (China) 5891 Has same scales as K&E 4083-3 (1955) R. H.  
  Do not have a picture or manual for this slide rule. Hopp does not list it. Need complete information: listing of details of dimensions, physical appearance, scales, gauge marks,cursor lines, etc.      
14 COMPASS (JAPAN San-Ai Group) No. 1325        25 cm.; Plastic face on laminated wood ; Cursor is not framed; adjustable metal end brackets. WKR  
Front scales:  || Sr, Sq, P’, P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: Sr is radians; Sq degrees Back scales:  || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db ||  Note: db is 20 lg x  
  Gauge Marks on scales: p is on A, B, C, D, CF and DF; p/4 and  M is on A and B;  C and C1 are on C and D.     Cursor Front and Back: has  no marks.    
► SEE THE NOTE AT END OF THIS LISTING REGARDING THE DIETZGEN SLIDE RULES.                
15 DIETZGEN (USA) Vector Type Log Log No. 1735 Maniphase Multiplex (Variation 1) 1941 -52 10 in.; Plastic face on wood ; Cursor is not framed. Adjustable metal end brackets. WKR  
Front scales:  || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| Back scales:  || LL0, LL00, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1||  
  Gauge Marks on scales: p is on A, B, CF, and DF;  p /4 is on A and B scales; The marks 1°,  ' and " are on scale ST.         Cursor Front and Back: has  no marks.    
16 DIETZGEN (USA) Vector Type Log Log No. 1735 Maniphase Multiplex (Variation 2) 1950 10 in.; Plastic face on wood; Cursor has metal frame. Adjustable metal end brackets. WKR  
Front scales:  || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| Back scales:  || L, LL01, LL1, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1||  
  Gauge Marks on scales: p is on A, B, CF, and DF;  p /4 is on A and B scales; The marks 1°,  ' and " are on scale ST.         Cursor Front and Back: has  no marks.    
17 DIETZGEN (USA) Vector Type Log Log No. 1725 Maniphase Multiplex     25 cm; Plastic face on wood ;Cursor has metal frame. Adjustable metal end brackets. WKR  
Front scales:  || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| Back scales:  || Sh1, Sh2, Th,  A || B, T&T, ST, S&S || D, DI, LL01, LL1||  
  Gauge Marks on scales: p is on A, B, CF, and DF;  p /4 is on A and B scales; The marks 1°,  ' and " are on scale ST.         Cursor Front and Back: has  no marks.    
18 DIETZGEN (USA) Vector Type Log Log No. N1725    1955-59 Source: Hopp page 161.   PMH  
  Do not have a picture or manual for this slide rule. Need complete information: listing of details of dimensions, physical appearance, scales, gauge marks,cursor lines, etc.          
19 DIETZGEN (USA) Vector Type Log Log No. N1725,  Microglide    1959-70 25 cm; Plastic face on wood ;Cursor has metal frame. Adjustable metal end brackets. WKR  
Front scales:  || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| Back scales:  || Th, Sh2, Sh1, A || B, T<45o&T<45o, T>45o&T>45o, ST, S&S || D, DI, K||  
  Gauge Marks on scales: p is on A, B, CF, and DF;  p /4 is on A and B scales; The marks 1°,  ' and " are on scale ST.         Cursor Front and Back: has  no marks.    
20 DIETZGEN (USA) Vector Type Log Log No. N1725 Micromatic   25 cm; Plastic face on wood ;Cursor has metal frame. Adjustable metal end brackets. WKR  
  This "Micromatic Adjustment" slide rule is the same as the N1725, Microglide, but has a special screw for fine adjusting of the alignment. This screw is located on the top scales on the far right end      
21 DIETZGEN (USA) Vector Type Log Log No. B-1725  (Made in Japan)   1972 25 cm.;Plastic face on laminated wood ;Cursor not framed. Adjustable metal brackets. WKR  
Front scales:  || Th, Sh2, Sh1, A || B, T<45o&T<45o, T>45o&T>45o, ST, S&S || D, DI, K|| Back scales:  || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1||  
  Gauge Marks on scales: p is on A, B, CF, and DF;  p /4 is on A and B scales; The marks 1°,  ' and " are on scale ST.         Cursor Front and Back: has  no marks.    
22 DING FENG (China) Slide Rule has no ID No. or name on it; Box has No. 5471 25 cm.; Plastic face on laminated wood; Cursor is framed; Adjustable metal end brackets. R. H. &  
Front scales:|| 2D, L, K, A || Tan&Cot, Sin&Cos, H’, CI, C || D, Th, Sh1, Sh2 || CF and DF are folded at π. Back scales:  || LL1I, LL2I, LL3I, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| WKR  
  Gauge Marks on scales: on front C scale are the marks lo  and R.  On back p is on the DF scale.           Cursor Front and Back: has  no marks.    
23a DING FENG (China) No. 5471 Duplex Vector   Source: Hopp page 161 25 cm.; Plastic face on laminated wood; Cursor is framed. PMH  
Front scales:  || Th, L, K, A || B, S, H, T, C || D, DI, Sh2, Sh1 || Back scales:  || LL01, LL02, LL03, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| eBay  
  Gauge Marks on scales: Need information                 Cursor Front  and Back: Need information.    
23b DING FENG (China) No. 5571   25 cm; Plastic face on laminated wood ;Cursor is not framed; Adjustable metal end brackets. R. H.
Front scales:|| 2D, L, K, A || Tan&Cot, Sin&Cos, H’, CI, C || D, Th, Sh1, Sh2 || CF and DF are  folded at √ 10 Back scales:  || LL1I, LL2I, LL3I, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1||
  Gauge Marks on scales: on front C scale has the mark R.  On back p is on the DF scale.             Cursor Front and Back: has  no marks.  
24a DING FENG (China) No. 5651   Scales were hard to read on eBAY, but seem similar to the one above with no ID No. eBay  
  Do not have a picture or manual for this slide rule. Hopp does not list it. Need complete information: listing of details of dimensions, physical appearance, scales, gauge marks,cursor lines, etc.      
24b DING FENG (China) No. 5810   25 cm; Plastic face on wood ;Cursor is not framed; Adjustable metal end brackets. R. H. &