Hyperbolic Match Output


Maker:Tianjin Jianzhong

Model:TJJX (Tianjin giant elephant)


Scales Front: || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2||

Scales Back: || Sh1, Sh2, Th, A || B, T&T, SRT, S&S || D, DI, LL01, LL1 ||

Gauge Marks: π is on A, B, CF, and DF;

Cursor Front:

Cursor Back:

Construction: 10 in.; Plastic face on wood ; Cursor is not framed. Adjustable metal brackets.


Source: Daryl Tang Collection

Information: Clone of KE4083-3 made by Tianzhong instrument factory, predecessor of Tianjin slide rule factory.