476 Miscellaneous Implements Exhibited at Cambridge. 
foot below an ordinary cart, thus lessening the labour in loading. 
It is fitted with 2^-inch patent arms, and is calculated to carry 
30 cwt. The weight of the whole is 10^ cwt. 
Article 1643. Messrs. Ben Reid & Co., Aberdeen. Wire 
Strainer. Price 12s. 6d. — This is a small, exceedingly useful, 
and original form of wire strainer. It consists of a lever with 
double pawls working upon a ratchet bar. It can be quickly 
attached to work in the erection of new fencing, or in straining 
old wires which may have become loosened from the posts. It 
should prove a valuable aid to estate carpenters, and its cheap- 
ness places it within reach of the smallest users of wire fencing. 
The ingenuity displayed, both in the construction and application 
to its specific purpose, deserves high commendation. 
Fig. 7.— Jolm Wallace & Sons’ Potato Digger. 
Article 1800. Messrs. John Wallace & Sons, Glasgow. 
Potato Digger. Price 14k — The principal feature in this digger 
(fig. 7) is that the digging forks or graipes are made to revolve 
in a horizontal instead of in the vertical position employed in 
the construction of all other diggers. By the application of the 
horizontal position the following advantages are claimed : that 
the digger has rather lighter draught ; that it is much less liable 
to clog up in long “ tops ” or “ shaws ” ; that the potatoes are less 
scattered about and easier picked up, so that a screen is not abso- 
lutely necessary ; and that no earth is thrown up to clog or cover 
up the whole machine, so that a man is enabled to work in com- 
fort from the driver’s seat. In addition to the above, the digger 
has the gearing completely enclosed, and only one lever is used 
