ALLEN'S DIGEST 



OF 



PLOWS, WITH ATTACHMENTS, 



Patented in the United States 



FROM 



A. D. 1789 TO JANUARY 1883. 



(Limited to 100 Copies.) 





COMPILED AND ARRANGED BY 



JAMES T. ALLEN, 



ASSISTANT EXAMINER 



IN THE 



"crjsria?Er) sotj^tes ^^.a-te^stt oipi^icei, 



WASHINGTON, D. C. 



Entered according to Act of Coflgress in the year 1883, by 

 JAMES T. ALLEN, 

 in the office of the Librarian at Washington, D. C. 



