Bernard J.S. Cahill
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5106-3618-5
High Quality Content by WIKIPEDIA articles! B.J.S. Cahill (Bernard Joseph Stanislaus Cahill, 1866-1944), cartographer and architect, was the inventor of the octahedral "Butterfly Map" (published 1909; patented 1913); an early proponent of the San Francisco