Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Machrow George Colby
Original Assignee
Machrow George Colby
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Application filed by Machrow George ColbyfiledCriticalMachrow George Colby
Priority to ES27051ApriorityCriticalpatent/ES27051A1/en
Publication of ES27051A1publicationCriticalpatent/ES27051A1/en
ES27051A1900-12-221900-12-22
Improvements in apparatus for the transposition of coal or other provisions destined mainly for ships on the high seas
ExpiredES27051A1
(en)
A mechanical procedure for the classification of minerals, earths, coals and other matters, of pneumatic propulsion with the apparatus that are essentially described.