ISBN 9780930163228 books & textbook
Escapements: Their Actions Constructions and Proportion
Arlington Book Co /1985T Paperback / 66 Pages
isbn-10: 0930163222 / isbn-13: 9780930163228
Arlington Book Co /1985T Paperback / 66 Pages
isbn-10: 0930163222 / isbn-13: 9780930163228