كتب ذات صلة

Report on the trial of plows held at Utica, by the N.Y. State Agricultural Society, commencing September 8th, 1867. With a supplement showing the results of a special trial at Brattleboro, to determine several disputed questions respecting the action of the plow.

A study of the plow bottom and its action upon the furrow slice ...

Allen''s digest of plows with attachments, patented in the United States from A.D. 1789 to January 1883 ...

Power and the plow

• Digest of agricultural implements, patented in the United States from A.D. 1789 to July 1881 ...
  المؤلفون: Allen, James T.
• Digest of agricultural implements, patented in the United States from A.D. 1789 to July 1881 ...
  المؤلفون: Allen, James T.
• Allen''s digest of plows with attachments, patented in the United States from A.D. 1789 to January 1883 ...
  

• Allen''s digest of plows with attachments, patented in the United States from A.D. 1789 to January 1883 ...