, which ed pressure of the atmos- can be adjusted to give any desired strength to the blast. The operation is as follows: The fan, C, being set in reasons for so doing deserve consideration. He says:— IMPORTANT PATENT EXTENSION. motion, and the grain to be cleaned being placed in the ‘*T beg leave… … by you in your valuable journal. While it may be theo- ble of doing the work in one day which formerly required The contents of D can be removed by opening. the trap, the active labor of 100 men! Truly, this is an age of G, or it can be opened partially to give a regular dis- retically true that…
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