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Steam Pump Patent Model M.F. DeSouza 19th Century

$2,500.00

M.F. DeSouza Valves for  Steam Pump Patent Model
Rare 19th Century Patent Model




Here is a very rare piece of history!   M.F. DeSouza Valves for Steam Pump Patent Model, 10-in. long black-painted brass housing with original paper patent reading "no. 225,545 1880" and marked as above.  Base is 12" long. 

For serious collectors of investment grade historical memorabilia, here is an exciting piece of American History!

NOTE: To put into perspective the intense demand and investment value for vintage Patent and Salesman Sample Models, particularly 19th century models, below are realized auction prices at Julia's Auction in November 2014.   Note these miniature models below did NOT have the invaluable documented provenance as does the three salesman and patent models we have listed on our site.  Also, note that the 19th century manufacturing and farm related models command impressive premiums as indicated by the final bid prices shown below which were 2-3 times (in one case 6-7 times) the high estimates:

Salesman Sample Farm Scale                                  est $1000-1500     Sold:  $ 3,851
Salesman Sample Sickle Bar Mower with O.B.         est  $2500-4500    Sold:  $ 7,702
Salesman Sample Hay Rake With Carrying Case    est $2500-3500      Sold:  $20,145
Salesman Sample Horse-Drawn Oliver Walking Plow  eBay 3/13/15      Sold   $15,000
Salesman Sample Horse-Drawn Eagle Mower             eBay 3/13/15      Sold   $12,000

  This wonderful, 1880 Patent Model is 100% guaranteed to be the original Model that was submitted to the United States Patent Office as part of the Patent Application process. Included with the Model are the original Patent Office Tag .

 A very rare and wonderful, 1880 United States Patent Office Patent Model ..


* See enlargeable image above