This adding machine ( W*D*H = 6" * 7" * 5" ; 3 lbs ) is housed in a
die-cast aluminum case. It is operated with a STYLUS, stored in the
center of the lower body. By pulling down the appropriate BIG figures
the »PRECISE« performs ADDITION. With its SMALL figures SUBTRACTION
has to be used as 9-Complement "Addition". ( For DETAILS see the
BURROUGHS INSTRUCTIONS ... ) Unusual is the MAGNIFIER, mounted over
the display unit for better reading. To RESET the register, pull the
right LEVER.
I n v e n t e d by O.R.HARTON, Patent #2402549 June 25, 1946
M A N U F A C T U R E R : PRECISE DEVELOPMENTS CO., Chicago / USA
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