john emlen david archbald (2 risultati)

Paperback. Condizione: Very Good. Wayne R. Westphal and John E. Dallman (illustratore). Later Printing. Field guide with punch-card 'computer' system for identifying bird species from a few "easily observed characteristics". Not a lot on information on the birds, just their identification and basic description. Second of a series of guides using the same punch-card technology, developed by Archbald, director of the University of Wisconsin Arboretum. Paperback, as pictured; two-color cover; riveted swing-out punch cards. Covers lightly rubbed, minor bumping to corners, paper edges a bit tanned. Text clean; 24 pages + 54 punch cards; line illustrations. Size: 3¼" by 7¼".

Cardstock Covers. Condizione: G+. No Jacket. Wayne R. Westphal and Jonh E. Dallman (illustratore). None Stated. 8 unnumbered pages listing the species shown on the next 6 double pages of illustrations, next there are 53 punched bird characteristic cards, the contents aof this quick reference are clean and tight, the staples are rusty, the covers are tight and have light soil and some scuffing, this guide is very usable and solid.