Slide rule workshop A

Nathan's first mystery slide rule.

“Logarex Typ01”

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A VERY weird design, identified by maker and model but no other info.

Data:

Questions:

  1. More info?
    The formulas on the back are very detailed and represent many diverse disciplines in physics and mathematics.
    The logarithmic ruler on the back is a key clue. Fred Astren
    May be related to graphic-numerical applications, for use in conjunction with graphs on paper, like the Gerber Variable scale? Tom Frank