Also, wikipedia describes this type of compass rose very well ... https://en.wikipedia.org/wiki/Compass_rose A common compass rose as found on a nautical chart showing both true north (using a nautical star symbol) and magnetic north with magnetic variation. Also notice the correspondence between the 32-point rose (inner circle) and the modern 0–360° graduations. Angie ________________________________ From: Maps-L: Map Librarians, etc. <[log in to unmask]> on behalf of Bruce Sarjeant <[log in to unmask]> Sent: Wednesday, April 26, 2023 9:46 AM To: [log in to unmask] <[log in to unmask]> Subject: Re: [MAPS-L] FW: Compass looking thingy on a map It's a compass rose (pages 9 and 10 in here) https://nauticalcharts.noaa.gov/publications/docs/us-chart-1/ChartNo1.pdf On Wed, Apr 26, 2023 at 10:43 AM Brian Falato <[log in to unmask]<mailto:[log in to unmask]>> wrote: I got a question from a fellow cataloger about a marking on the navigation map shown below, the “compass looking thingy.” Doers anyone have a more specific term for it? Brian Falato Senior Cataloger Collections & Discovery University of South Florida Libraries Tampa, FL 33620 [log in to unmask]<mailto:[log in to unmask]> 813-974-1772 From: Young, William C<mailto:[log in to unmask]> Sent: Wednesday, April 26, 2023 10:03 AM To: Brian Falato<mailto:[log in to unmask]> Subject: Compass looking thingy on a map Howdy Brian, I have a map of fishing spots in the Florida Keys that has a big circle with compass directions on it … do you know what that is called? [Map Description automatically generated] Hank William C. (Hank) Young Principal Cataloger Resource Description Services Department University of Florida 352.273.2733 https://orcid.org/my-orcid?orcid=0000-0001-5236-9836 [EXTERNAL EMAIL] DO NOT CLICK links or attachments unless you recognize the sender and know the content is safe. -- Bruce Sarjeant (pronouns: he, him, his) Reference, Documents & Maps Librarian Lydia Olson Library Northern Michigan University 1401 Presque Isle Ave Marquette, MI 49855 (906) 227-1580 [log in to unmask]<mailto:[log in to unmask]>