Books by author George Colvin Humphrey

Showing 1 – 6 out of 6 results

1. 

   Milking Machine Experiments

   George Colvin Humphrey | LEGARE STREET PR, 2022

   
   

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   Language: English

   Binding: Paperback

   13.84 €

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2. 

   The Role of the Ash Constituents of Wheat Bran in the Metabolism of Herbivora...

   Edwin Bret Hart, Elmer Verner McCollum, George Colvin Humphrey | Nabu Press, 2012

   
   

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   Language: English

   Binding: Paperback

   13.84 €

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3. 

   Milking Machine Experiments

   George Colvin Humphrey | LEGARE STREET PR, 2022

   
   

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   Language: English

   Binding: Hardback

   25.57 €

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4. 

   Stock Book

   George Colvin Humphrey, Florence Forbes | Nabu Press, 2011

   
   

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   Language: English

   Binding: Paperback

   25.57 €

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5. 

   The Efficiency, Economy and Physiological Effect of Machine Milking, Volumes 1-3...

   Fritz Wilhelm Woll, George Colvin Humphrey, Edwin George Hastings | Nabu Press, 2012

   
   

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   Language: English

   Binding: Paperback

   15.66 €

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6. 

   Comparative Efficiency for Growth of the Nitrogen of Alfalfa Hay and Corn Grain, Volumes 32-42...

   Edwin Bret Hart, George Colvin Humphrey, Frank Barran Morrison | Nabu Press, 2012

   
   

   In stock at our supplier - Shipping in 14 - 21 days

   Language: English

   Binding: Paperback

   13.84 €

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