An Introduction to the Mathematics of Servomechanics

First edition, first impressions. Quarter bound in grey paper over green cloth. 240pp with numerous diagrams, charts etc in text. 8vo. Ex lending library with usual markings. Soiled text block edges, affecting some pages, else internally neat and clean. Dust jacket protected in clear plastic wrapper, itself worn at edges, cracking on corners and spine ends and soiled. A little loosened.