University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
The University of Wisconsin Collection

Page View

Osterheld, C. M. (ed.) / The Wisconsin engineer
Volume 18, No. 8 (May 1914)

Mack, John G. D.
Study of the elimination of phantom lights from semaphore roundels,   pp. 363-366 ff.


Page 363

[page image]

Go up to Top of Page