Source: Confederate Navy Engraving 1862, from http://www.history.navy.mil/library/online/maury_mat_bene.htm
Logbooks in Abstract
Harvard University Library
Logbooks as punchcards
Wallbrink, H. and F.B. Koek, Data Acquisition And Keypunching
Codes For Marine Meteorological Observations At The Royal Netherlands
Meteorological Institute, 1854–1968
Logbooks as punchcards
Wallbrink, H. and F.B. Koek, Data Acquisition And Keypunching
Codes For Marine Meteorological Observations At The Royal Netherlands
Meteorological Institute, 1854–1968