Port of San Francisco, strategic center of world trade : sea routes shown on the butterfly map invented by B.J.S. Cahill.

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Record Details

Title
Port of San Francisco, strategic center of world trade : sea routes shown on the butterfly map invented by B.J.S. Cahill.
Item Description
Front
Added Entry - Personal Name
Cahill, B. J. S. (Bernard J. S.), 1867-
Published
[San Francisco? : s.n., 1913?]
Description
1 map : col. ; 22 x 40 cm
Note
"Pat. 2-25-13."
Text and steamboat timetables on verso.
Map Data
Scale [ca. 1:120,000,000] ; Butterfly projection (E 180°00'00"--W 180°00'00"/N 90°00'00"--S 90°00'00").
Coded Cartographic Mathematical Data
a 120000000 W1800000 E1800000 N0900000 S0900000
Local note
MiU copy lacks text and timetables on verso. In lower left corner "28883 19-23 5M". California State Printing Office, Sacramento. "Map of the World on th Butterfly Projection, showing the Port of San Francisco as a world center. Straight lines on this projection represent great circles and will scale true to distance in any direction." Accession no. 114254.
Scan Date
2016-04-14
Record No.
003608693

Technical Details

Image Size
7536 x 4332
File Size
2 MB
Record
003608693
Link to this Item
https://quod.lib.umich.edu/c/clark1ic/x-003608693/39015095414390_01

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DPLA No Copyright - United States

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Catalog Record
Manifest
https://quod.lib.umich.edu/cgi/i/image/api/manifest/clark1ic:003608693:39015095414390_01

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Full citation
"Port of San Francisco, strategic center of world trade : sea routes shown on the butterfly map invented by B.J.S. Cahill." In the digital collection UM Clark Library Maps. https://quod.lib.umich.edu/c/clark1ic/x-003608693/39015095414390_01. University of Michigan Library Digital Collections. Accessed February 21, 2024.
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