Abney Level Handbook: How to Use the Topographic Abney Hand Level / Clinometer Tool – A Guide for the Experienced and Beginners, Complete with Diagrams & Charts (Hardcover)
Abney Level Handbook: How to Use the Topographic Abney Hand Level / Clinometer Tool – A Guide for the Experienced and Beginners, Complete with Diagrams & Charts (Hardcover) by Hartley Amasa Calkins, Y. B. Yule.
Published by Lulu.com, (2019), Hardback, 46 pages.