Redirect Notice
 The previous page is sending you to https://www.alamy.com/the-flotation-process-will-rise-immediately-to-the-discharge-however-we-believethat-the-janney-and-hoover-machines-are-the-most-useful-of-themechanically-agitated-type-pneumatic-flotation-among-the-different-pneumatic-machinesas-far-as-we-are-acquainted-the-callow-test-machine-is-the-only-oneof-laboratory-size-that-has-been-much-developed-it-is-merely-thecommercial-callow-machine-reduced-in-size-see-fig-70-71-and-72later-development-in-the-laboratory-of-the-general-engineering-coin-salt-lake-city-has-resulted-in-the-reproduction-of-the-wholeplant-in-miniature-as-shown-in-fig-image340093958.html.

 If you do not want to visit that page, you can return to the previous page.