The Adjustment and Testing of Telescope Objectives
York and London: Thomas Cooke & Sons, 1921. 3rd ed., octavo, original paper-covered cloth boards, quarter cloth, original paper title label, pp 123. With original silver-gelatin photographic plate frontis, and 2 folding b&w plates. Light scuffing, previous owner's signature, very good condition. Published by Thomas Cooke the renowned scientific instrument.....