114 Report on the Shovj of Imjptements at NottingUoM. 
calling attention to this new and apparently meritorious inven- 
tion, to interest users in making such experiments with it as 
will determine its value. Exactly similar horse-collars have 
been used for some years past in America, especially at the 
" Fire-Stations," where the work is trying, and it is within the 
writer's personal knowledge that they are there very highly 
spoken of. 
Mr. 11. H. Glapham, of Bridge End Works, Darlington, 
showed Rick Cover Trestles (Art. 4G76) which dispense 
with the upright poles and their accompanying blocks, ropes, 
stays, &c., ordinarily in use for protecting a hay-rick while in 
course of building. 
Fig. 17. — Clapluuiis Rick Cover Trestles. 
A pair of light, wrouglit-iron trestles are stuck, by means oi 
spikes, into the surface of any rick in course of construction. 
Two trestles are sufficient for a moderately sized stack, but 
more may be used if its dimensions are very large. Each pair 
of trestles is hinged at the top, the limbs of the hinge being 
produced so as to foi'm a jaw by which the round pole, usually 
employed for carrying the sheet, is grasped. 
The rick-cloth itself is supported by loose cords, fast at one 
end to the centre pole and running down between the seams of 
the cloth, thereby taking all strain off the cover itself, and dis- 
tributing this equally over the cords. This system gives more 
