Hyperbolic Match Output

Number:85d

Maker:QUIFAN (CHINA)

Model: No Model No.

Scales Front:

Scales Back:

Gauge Marks:

Cursor Front:

Cursor Back:

Construction: Rose Wood Slide Rule

Date:

Source:

Information: See Gong Si He Ying No. 37a. Made by: Has no Model No. Made by: QUIFAN Instrument Industrial Group.