[Printed War Office pamphlet.] Water supplies in the Field. Notes for Medical Officers. (Reprinted with Amendments 1 and 2, 1941.)

iii + 109pp., 12mo. In green printed wraps. In good condition, lightly-aged. Stapled addendum titled 'Amendment No. 3.' (5pp., 12mo) loosely inserted. Main headings: Amounts; Sources; Metal Solvency in Water; Hardness of Water; Brackish Waters; Bitter Aperient Waters; Examination of Water Supplies; Purification of Water; Water Vehicles, Water Points and Distribution; Poisoning of Water by the Enemy; Water Supplies Contaminated with Schistosome Cercariae. Twenty appendices, begining with 'Instructions for sending samples of water for chemical and bacteriological analysis', and ending with 'Portable Filtering Apparatus'. Uncommon: a total of four copies of this edition on OCLC WorldCat. From a small archive of material belonging to Daphne Kayton of the Royal Army Medical Corps.