Topics: What kind of slide rule to buy for a mechanical engineer?

Engineering Instruments, Inc. 10-B. A nice example of an inexpensive pressed-wood type slide rule with a painted face and scales, from Engineering Instruments, Inc.

Here's a look Dating faber castell slide rules Dating nestler slide rules Dating faber castell slide rules

Engineering Instruments, Inc. 10-B. A nice example of an inexpensive pressed-wood type slide rule with a painted face and scales, from Engineering Instruments, Inc.

I still use one in the shop in Lethbridge. Here’s mine, a Faber-Castell 2/83N fullsize desktop slide rule, 1974, showing that sine ( 45 ) is 7.07.