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THE ^REWHÉLLA" JACKS.
Anyone even casually - acquainted
with the-immense labor involved in
clearing, timbered land" for purposes
of cultivation must have'been im-
pressed "withtht-need lot labor say-
ing appliances, by mean? of which
not on.y is the process simplified and
the heavy ' work largely"' eliminated;
but whole seasons' nay be saved in
bringing the land into production. ' Thc
extent to which this' need has been
met: so far" as. Australia is 'concerned
has. been largely, due..to the ingenuity
of the Trewhella/.Brothers, and : the
value of their .inventions .has been'
recognised in ótheh countries, whiçh
have imported-a.:number of their ma-
chines. "These two brothers ' started
their business ;life in Victoria,'many
years ago,, one -as an engineer, and
the; other as- a farmer. ;The .back-
breaking nature- of; the- work of grub-
bing , out frees by-.hand WTts.sopn-de-
monstrated ; to^them,. and' thei.first ef-
fort :tb simplify-the-process was seen
in : their hand grubber, known as tbs
''.Wallaby'" jack. This .was followed
by. the. more -powerful. "Monkey"
jack NSÓ that at present, there', are.pn
thfe^market handipoWeiv jacks: varying
in-siié. from" 2i ton lift- to: 10 ton lift
"L^ter ? .:"came. :the "Trewhella" hand
and', horsepower^grubbers,. recognised
as thç.mos't.'pp^ economical
tree pu'IIérs¡on:.the market These ap
plicances 'also '.have ? beeii^'found user'
ful wherever^ as in timber':getting and
bridgy building,'-, theres .are,. ; heavy
weightsr'to bey shifted,. Other jacks
arie made-Ib'y.v.them ¿ór'almost- all pur-
pose's. ; FjiH : particulars lare, obtain'
able 7rom ; Á. ^Kóbinson, '821 Ann.
street, Valley. .Bnsoine.'* :' V '
$