T E C H N I C A L   D A T A                  of  the  K+E PLANIMETER
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KEUFFEL & ESSER / made in W.Germany                      SN = 084255

const. Pole Arm  7_1/2 "               Adjustable Tracer Arm ca. 4 "

C a l i b r a t i o n :
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When  TRACER ARM  is adjusted  to   102 mm    ==>>   Tracing ...

(1st)  10 sq.in.  with  CALIBRATION RADIUS    ==>>   1.00   on scale
(2nd)  16 sq.in. =  4" x 4"  AREA on paper    ==>>   1.60   on scale 

                     THEORY OF PLANIMETERS
impressum:
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© C.HAMANN        http://public.BHT-Berlin.de/hamann        03/24/11