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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Philips Temecommunication
ALRO
Netherlands
Plastic
1972
Dia. = 11.8 cm
Electronics
Notes:
1) A later version of the slide rule above 2) Used for various electronic calculations for telephone equipment
Image 1
Image 2
Image 3
Image 4
Image 5
