Cylindrical Slide Rule

Loga Cylindrical Slide Rule
Marking: Loga Calculator 2.4 m
Serial Number: 2500
Type: 2.4 m
Year: ca. 1930
Size: 6.5 cm (Diameter),
32 cm (Length)
×

1 / 8 2 / 8 3 / 8 4 / 8 5 / 8 6 / 8 7 / 8 8 / 8

References

[1]

Daemen-Schmid & Co.

Anleitung für die Messrechenkunst mittels der Rechenwalze "Loga". Zürich Schweiz (1912).