Evolvent compass by H. Hofer
Model 881
Description
Evolvent compass by H. Hofer
Showcase of this model is Case number 46
References
Separataband M5 im Mathematischen Institut p. 483.
Separataband M5 im Mathematischen Institut p. 482.
Evolvent compass by H. Hofer
Showcase of this model is Case number 46
Separataband M5 im Mathematischen Institut p. 483.
Separataband M5 im Mathematischen Institut p. 482.