1. A PORTABLE PNEUMATIC CONVEYOR FOR FLUENT MATERIAL COMPRISING A MOVABLE FRAME, A HOPPER CLOSED AT THE TOP AND MOUNTED ON THE FRAME AND HAVING A MATERIAL INLET ADJACENT THE UPPER END THEREOF, A BLOWER HAVING A CONDUIT CONNECTING ITS INLET WITH THE TOP OF THE HOPPER, POWER MEANS MOUNTED ON THE FRAME FOR DRIVING THE BLOWER TO PROVIDE A PARTIAL VACUUM WITHIN THE HOPPER WHEREBY FLUENT MATERIAL IS DRAWN THROUGH THE MATERIAL INLET INTO THE TOP OF THE TOWER AND DROPS THEREIN BY GRAVITY, MATERIAL RECEIVING MEANS DISPOSED BELOW THE HOPPER AND COMMUNICATING THEREWITH, WHEREBY MATERIAL WILL FLOW BY GRAVITY FROM SAID HOPPER TO SAID MATERIAL RECEIVING MEANS, AN OUTLET AT THE BOTTOM OF SAID MATERIAL RECEIVING MEANS, THE MATERIAL RECEIVING MEANS HAVING CIRCULAR PORTIONS THEREIN, A WHEEL CENTRALLY MOUNTED IN THE SAID CIRCULAR PORTIONS HAVING VANES EXTENDING FROM THE WHEEL TO MAKE A SUBSTANTIALLY AIR-TIGHT CONNECTION WITH THE SAID CIRCULAR PORTIONS, A DRIVING CONNECTION FOR THE SAID WHEEL FROM THE SAID POWER MEANS, A VANED POCKET FEEDER IN A SUBSTANTIALLY AIR CLOSED SIDE EXTENSION OF THE SAID CIRCULAR PORTIONS HAVING VANES WITH TIPS TO ENGAGE WITH THE VANE TIPS OF THE SAID WHEEL AND ROTATED THEREBY TO ADMIT A LARGER PIECE OF FOREIGN MATERIAL BETWEEN THEM TO PASS THE ENDS OF THE WHEEL VANE AND TO BE WIPED THEREFROM TO AVOID CLOGGING OF THE VANES OF THE WHEEL, A MATERIAL DISCHARGE DUCT AT THE BOTTOM OF THE MATERIAL RECEIVING MEANS TO RECEIVE FLUENT MATERIAL PASSED THROUGH SAID MEANS BY THE ROTATION OF SAID WHEEL, ANOTHER DUCT ADJACENT THE FIRST MENTIONED DUCT AND CONNECTED TO THE OUTLET OF THE BLOWER FOR CAUSING A PARTIAL VACUUM IN THE FIRST DUCT, AND HAVING AN OPENING AT A POINT BEYOND THE INLET OPENING OF THE FIRST DUCT WITH THE SAID MEANS, A DISCHARGE CONDUIT FORMING A CONNECTION WITH BOTH OF SAID DUCTS WHEREBY THE AIR FLOW FROM THE BLOWER WILL CAUSE A PARTIAL VACUUM TO DRAW MATERIAL FROM SAID MEANS THROUGH THE WHEEL INTO THE FIRST DUCT AND BOTH DUCTS WILL COMBINE TO PROPEL MATERIAL THROUGH THE SAID DISCHARGE CONDUIT.