Changes in farm power and equipment.
Contributors: National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.)
Series: Studies of changing techniques and employment in agriculture ;; rept. no. A-9, A-11, A-2; Studies of changing techniques and employment in agriculture ;; rept. no. A-2, etc.
Publisher: Work Projects Administration, National Research Project
Published: 1937
Place of publication: Philadelphia, Pa
Language: eng
Subjects: Agricultural machinery -- United States.; Cotton-picking machinery.
Notes: Reproduced from type-written copy.
"This volume contains WPA National Research Project reports nos. A-9, A-11, and A-2."--1st prelim. p.
Table of contents: title: Tractors, trucks, and automobiles; title: Field implements; title: Mechanical cotton picker.