Wizard Mechanical Calculator (0667)
Index: 0667
Year: Around 1960 ?
Maker: Wizard, Germany
Dimensions: 9 x 1 x 15 cm
Info
Old mechanical calculator by which the digits were set by using a steel pen (missing). One could Add, Subtract, Multiply and Divide with this tool. Seems heavily used.
References/Links/More Info
Google Books, Popular Machanics, Page 12
