Hyperbolic Match Output

Number:20

Maker:DIETZGEN (USA) Vector Type Log Log

Model:No. N1725 Microglide

Scales Front: || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1||

Scales Back: || Th, K, A || B, T1, T2, ST, S || D, DI, K||

Gauge Marks:Gauge Marks: π is on A, B, CF, and DF; π/4 is on A and B scales; The marks 1°, ' and " are on scale ST.

Cursor Front:

Cursor Back:

Construction: 25 cm; Plastic face on wood ;Cursor has metal frame. Adjustable metal end brackets.

Date: 1959 - 72

Source: WKR

Information: