I think that things like formulae come under the rubric of ideas, basic concepts that cannot be copyrighted.  Of course, a specific map created at a particular time, using a specific projection, is a thing that can be copyrighted.


Ken Grabach
Maps Librarian
BEST Library, 219D
Miami University Libraries
Oxford, OH  45056  USA

513-529-1726

On Mon, Nov 7, 2016 at 6:02 PM, Jon Jablonski <[log in to unmask]> wrote:
I don’t think you can copyright a projection.


Jon Jablonski
Spatial Data Librarian, Map & Imagery Lab
Interim Director, Interdisciplinary Research Collaboratory
UCSB Library




On Nov 7, 2016, at 1:37 PM, George Carhart <[log in to unmask]> wrote:

can anyone tell me the best way to find a list of copyright dates for world map projections developed in the 20th century.

Thanks
George Carhart

--

---------------------------
Dr. George S. Carhart, Ph.D
Historian of Cartography
and Early Modern Europe
Antiquarian Map Consultant
Historic Research Consultant

7 Lafayette Street
Portland
ME, 04101
USA