It is new item from japan. Type of calculation: general multiplication, proportion (exponential percentage), square, cubic, logarithmic, descending, trigonometric calculation. Back side: Unit conversions for length, area, volume, mass, temperature, pressure, speed, etc. Scale: K, A, D, C, CI, B, L (top)/LL3, LL2, D, C, S, T1, T2, ST (bottom). ¦Dedicated Storage Case, Operation Manual Attached.
Thank you for your understanding. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "japan_specialty" and is located in this country: JP. This item can be shipped worldwide.