tleport on the Trials of Implements at Cardiff. 455 
No. 5048. Stephen Leivin. — The can-ying-trough is here of great length ; the 
huige divides it into equal parts. The apparatus for raising and lowering the 
trough is of great strength, but adds considerably to the weight of the machine. 
A handle placed behind the fore-wheels upon a worm spindle actuates a set of 
u'earing which moves two toothed quadrants iixed upon the base of wooden 
shafts ; friction rollers at the upper extremities of these shafts clip the angle- 
Fig. 25. — LewirCs Patent Stacker and Elevator, No. 5048. 
iron on each side of the trough. Spindles through the base of these shafts enable 
them to turn rapon bearings fixed to a short frame placed above the fore-wheels. 
In folding up the trough these shafts are lowered with the upper part of it, 
and do not require any separate atterrtion in packing. A "hood" and 
"weather-boards" are provided to protect the straw from the wind during its 
transit. The pitch chains of the flexible ladder are of alternate shut and flat 
links, and are driven by toothed chain-wheels. In this, as in most elevators, 
the horse-gear can be packed upon the carriage-frame for travelling. The 
slack chain is supported on two friction-rollers. The price is higher than 
