Ackroyd, T.N.W. (1957). Laboratory Testing in Soil Engineering. London: Soil Mechanics Ltd. Hardback,

Ackroyd, T.N.W. (1957). Laboratory Testing in Soil Engineering. London: Soil Mechanics Ltd. Hardback, orange cloth covered cover, bumped corners, o/w minor wear and slightly soiled. Slight mottling of end papers, o/w text clean but several folded corners, and a hole in p169/170 with neat ink notes to complete what is missing from the equation. In good condition.