Book of Instructions for the Standard, Reitz and Engineers' Patterns with Log-Log Scales Booklet No.3660 by Miles Walker
1954. 59 pages. Green plain paperback. No Edition remarks within. Booklet No.3660. Pages are lightly tanned and thumbed at the edges, with light foxing. Binding has remained firm. Corners are dogeared in places. Paper cover is lightly rub worn and thumbed with light shelf wear to edges and corners. Light creases to corners and spine. Light tanning to spine and edges.