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

Dustjacket has negligible wear with a slightly faded spine

Short legend in margin

Scale 1"=16miles

with remarks on certain causes which may produce Geological Cycles of Great Extent’ extract from the Quarterly Journal of the Geological Society of London

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.