Hyperbolic Match Output

Number:43

Maker:HEMMI (Japan)

Model:Duplex Slide Rule No. 155 (For Advanced Electrical Engineer)

PHOTO

Scales Front: || K, A, DF || CF, B, CI, C || D, L || is folded at √10

Scales Back: ||Sh1, Sh2, Th1 || TI1&TI1, TI2&TI2, SI1&SI1, C || D, DI ||

Gauge Marks:

Cursor Front:

Cursor Back:

Construction: 25cm.; Plastic face on laminated wood ; Cursor is framed. Adjustable metal brackets.

Date: WW II - 1950

Source: Daryl Tang Collection

Information: