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Recently Jan de Groot from Nautiek Diving in the Netherlands Published an article about the Desgrez et Balthazard apparatus. Thanks to him this article was published in Historical Diving Times. I was very pleased to receive permission from both Jan de Groot and Peter Dick of Historical Diving Society to publish this article on my website. Also I would like to thank Richard Walsby who sent me additional information that can be found about the apparatus.

 
Desgrez and Balthazard patented their apparatus
GB 22856
US 680028
 
Courtesy Historical Diving Times. Published with permission of HDS.
Courtesy Historical Diving Times. Published with permission of HDS.
I would like to thank Jan de Groot for his kind permission to publish his article. Jan's website can be found here
 
 
 
 
 
 
Courtesy The New York Times, first published in 1899. Source: Richard Walsby
 
 
 
 
 

click for large picture
 
Any additional information about the D&B apparatus is welcome! Please sent your info to jw.bech@quicknet.nl
 
Please visit the Historical Diving Society here for information and membership
published 13-5-2009

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