EXACTUS POCKET CALCULATOR, 1955

A mechanical pocket calculator for addition and subtraction of pounds shillings and pence. The calculator is made from pressed metal and enamelled in black and silver. The calculator consists of eight columns of figures and operates by using a stylus to move the metal slides inside each of the columns. When not in use the stylus clips to the side of the calculating machine. The calculating machine has a hinged metal panel that flips up when in subtraction mode and down when in addition mode. At the top of the calculator there is a metal handle that also functions to zero the calculator.

Your comments:

• I still have this model in almost pristine condition except for the instructions I used it in 1960 to balance my weekly sheet when I worked in retail, I continued to use it until electronic calculators came on the market. It served me well. I am now approaching
  82 years old
  .......... Peter Collier, Windsor, 18th of January 2012
  
  
• Dad, born 1921 ,accountant ,had one
  hopefully mum not thrown out!
  .......... carl tallintire, sunderland, 14th of December 2009
  
  

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