Ayrshire, 23 (1870)1:10,560 scale OS basemap 1860. Covers Riccarton in northwest corner. Colour washed engraving, geotechnics published by Alexander Hogg who

published by Alexander Hogg who pioneered the publication of part works as weekly numbered issues

Bridgnorth underlined

through Freagh and Brandon Hills to River Barrow near Coolhill Castle

clean but very slightly worn

Newton's Tyranny: the Suppressed Scientific Discoveries of Stephen Gray and John Flamsteed

Ayrshire, 23 (1870)1:10,560 scale OS basemap 1860. Covers Riccarton in northwest corner. Colour washed engraving, geotechnics published by Alexander Hogg whoAyrshire, 23 (1870)1: 10,560 scale OS basemap 1860. Covers Riccarton in northwest corner. Colour washed engraving, (68. 5 x 101. 5cm). Flat, slightly age toned, pencilled library notation in bottom right corner, otherwise clean and bright. A short tear neatly repaired in bottom margin. In very good condition.