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LUTZ  MODEL  102 S  ( 25 cm Scales )



LUTZ / USA                                               (1960)
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Made in Japan  by  RELAY / RICOH          for the US GOVERNMENT

S C A L E S   of  the   LUTZ / US GOVERNMENT        Model 102 S
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[ inverse / RED ]                            ( one-sided only )
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   S          sin(0.01X); sin(0.1X)
   K          X3
   A          X2
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   B          X2
   [CI]       [1/X]
   C          X
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   D          X
   L          lgX
   T          tan(0.1X)

R E M A R K S :                      (  1° = 60' ;   1' = 60" )
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The  TRIGONOMETRIC  SCALES  are divided in   MINUTES  & SECONDS

S keyed to A ;  T keyed to D

Right on the slider is the ENGRAVEMENT  »U.S.« = US GOVERNMENT.
This SR is made of bamboo and it came with an instruction book
in the original (damaged) LUTZ Cardboard Box ...

 

                   Historical Remarks ...
impressum:
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© C.HAMANN  http://public.beuth-hochschule.de/~hamann  10/11/12