BERNARD J.S. CAHILL

B.J.S. Cahill ('Bernard Joseph Stanislaus Cahill', 1866-1944), cartographer and architect; inventor of the octahedral "Butterfly Map" (published 1909; patented 1913); early proponent of the San Francisco Civic Center (1899-1909); designer of the Columbarium of San Francisco.
B.J.S. Cahill, Cartographer
Undated; scanned from photo at Bancroft Library,
University of California, Berkeley

From cover of 1919 pamphlet by Cahill, "The Butterfly Map", 8 p.


Contents
Internal links
External links

Internal links



World map

Waterman's Butterfly Map

External links


About Cahill:

Parry, David, "Architects' Profiles: Pacific Heights Architects #30 - Bernard J. S. Cahill"

Bernard J. S. Cahill Collection, ca. 1889-1938 (Environmental Design Archives. College of Environmental Design. University of California, Berkeley. Berkeley, California) There is also a separate collection at UC Berkeley, Bernard Joseph Stanislaus Cahill Papers, (83/39), The Bancroft Library.

Furuti, Carlos, Map Projections: Polyhedral Maps

Keyes, Gene, B.J.S. Cahill Butterfly Map Resource Page
By Cahill:

"An Account of a New Land Map of the World" (The Scottish Geographical Magazine, 1909-09) p. 449-469 [reproduced in 21 jpegs] The first publication and exposition of the Butterfly Map.

★ "Map of the World" (, 1913) Washington, DC: United States Patent Office, 1913-02-25; filed 1912-03-05

★ "Geographic Globe" (US Patent 1081207, 1913: rubber-ball globe which can flatten to a Butterfly Map, or return to ball shape.)

"Projections for World Maps" (1929) —continued in separate pdf:— "A New Map for Meteorologists: Equally Suitable for Small Areas, Continents, Hemispheres or the Entire World" – both from Monthly Weather Review, 57/4, 1929-04) p. 128-133; illus.

"One Base Map in Place of Five" (1940) Monthly Weather Review, 68/2, 1940-02, p.4; 1 illus.

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