srntl on Miscellaneous Inventions at the Birmiw/ham Show. 257 
Fig. 2. — Front View of Messrs. It. Hornsby and Sons' 
Sj'riny-balance Reaper. 
of the main-wheel bracket, so as to raise or lower the whole machine. There 
is a simple motion for adjusting the height of the off-wheel ; a long lever 
enables the driver to alter the vertical angular position of the pole for altering 
the dip of the fingers ; another lever is provided for putting the driving parts 
in and out of gear, and there is a self-acting clutch which slides out of gear 
when the machine is being backed. The main frame and brackets carrying 
gear are made of cast iron ; the smaller castings of malleable iron. The main- 
wheel bush is removable by three bolts ; the first or large spur-wheel upon 
the main travelling-wheel is also removable in the same way. The bottom- 
bearings are bushed with brass, and there are oilcups for self-lubricating. The 
main wheel is of 2 feet 6 inches diameter, with plain tire 8 inches in breadth, 
provided with an inclined scraper. The cutter-bar, taking a 5j-feet cut, is in 
line with the main-wheel centre ; but the centre of the rake or delivery-motion 
is 4 inches in advance of the main-wheel axis and cutter-bar. The fingers are 
of malleable iron, double-plated with steel, that is, with steel edge-plates on 
both the upper and lower faces. The section (Fig. 3, p. 258) shows the form 
of the finger, which is made peculiarly strong at the end of the slot, at which 
VOL. XIII. — S. S. S 
