This slide rule is in good vintage condition. All the scales are clearly marked and visible. First class product.
Used in Hungary in 1970s. These type of slide rules were commonly used before the age of electronic calculators in engineering and science calculations. It has been described as a mechanical analog computer.
Period : 1970s. Size: lenght: ~ 30 cm Weight: 126 gramms
Please contact me if you are interested in combining an order (which can be more affordable)