Equinoctial pocket sundial compasses

Group of (2) brass equinoctial pocket sundial compasses, to include: compass with arrow-engraved face, two levels, and inscribed latitudes to face: ''Philadelphia 59,...New York 40'', with more inscriptions to the back, in felt-lined leather case bottom, (case lacking top); and compass, with two levels and inscribed latitudes: ''Manila 15, Cebu 10, Isla de Panay 10, Iloilo 9, Mindanao 6, Mindoro 13.'' Missing needle, oxidation, wear from use. Arrow compass in case: 6-1/4''dia, 1-1/2''h. Provenance: Estate of William Kranker, collector and dealer, Greenport, NY.