previous <<==>> next

PICKETT  TEACHING  SLIDE RULE   » N1010-ES «
( 6' / 72" / 180 cm Scales )



Detail after repair:       (*)

PICKETT, Alhambra, California / USA                        (1972)
*****************************************************************

S C A L E S  of  the   W O O D E N   T E A C H I N G   SLIDE RULE
=================================================================
Front Side                                              Back Side
=================================================================

K        X3                                     LN           lnX
A        X2                                     DF           πX
-----------------------------------------------------------------
B        X2                                     CF           πX
ST       arc(0.01X)                             CIF          1/πX
T        tan(0.1X) ; cot(0.1X)
S        sin(0.1X) ; cos(0.1X)                  CI           1/X
C        X                                      C            X
-----------------------------------------------------------------
D        X                                      D            X
DI       1/X                                    DI           1/X
                                                L            lgX
REMARKS:
=================================================================
The teaching slide rule »N1010-ES« was made of bad composite wood

(*) !! During a demonstration, the SLIDER broke in the middle ...

  

  ... Repair: GLUED with a supporting piece of SheetMetal

                      Historical Remarks ...
impressum:
*****************************************************************
© C.HAMANN      http://public.BHT-Berlin.de/hamann       07/20/23