Gunter (Edmund): The Works, containing the Description and Use of the Sector, Cross-staff, Bow, Quadrant, and other Instruments, diligently corrected by William Leybourn, London, by A.C. for Francis Eglesfield, 1673, 4to, fifth edition, additional engraved title, 2 folding plates, one of the Sector at p.1, another at p.74, engraved illustration p. 64, numerous woodcut illustrations, half title (illustration on p.64 [?] lacking volvelle, some browning of margins), contemporary calf (upper cover detached). [Wing G2241; cf. Honeyman 1577, 1578 and 1579 for other editions]

細節
Gunter (Edmund): The Works, containing the Description and Use of the Sector, Cross-staff, Bow, Quadrant, and other Instruments, diligently corrected by William Leybourn, London, by A.C. for Francis Eglesfield, 1673, 4to, fifth edition, additional engraved title, 2 folding plates, one of the Sector at p.1, another at p.74, engraved illustration p. 64, numerous woodcut illustrations, half title (illustration on p.64 [?] lacking volvelle, some browning of margins), contemporary calf (upper cover detached). [Wing G2241; cf. Honeyman 1577, 1578 and 1579 for other editions]