The Woolhope Club
These portals are searchable for county, towns and sometimes for villages. The NLS has some OS maps for England. The maps are zoomable. Quick links to some maps are given below.
The BL holds 11 drawings used to compile the first printed OS maps of Herefordshire. The centre of the county is covered by the Hereford , Bromyard and Weobly [sic] maps; Usk (E), Hay, Presteigne, Cleobury Mortimer, Bishop’s Castle, Great Malvern and Newent maps have border areas of Herefordshire.
Four sheets cover the first printed OS maps of Herefordshire. They are NW:56, NE:55, SW:42, SE:43. The scale is 1 in 63360 (1 inch to a mile).
First OS maps