Lighthouses in the sky; or, Navigation at sea
By: by George W. Mixter ...
Published: 1938
Language: eng
Number of pages: 161
Subjects: Navigation
Notes: Cover-title.

"Reprinted from the Journal of the Franklin insitute, vol. 226, no. 2, August, 1938."

"Presented at a meeting held ... February 24, 1938."

"Three forms inserted, reproduced from Mixter's Primer of navigation."