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PA1MERs COMPUTING ScALE-We have been
.boyn copy of Mathematical Scale, lately pub
,sbed in Boston, under the above title. 1t is, in
our opinion an extremely ingenious and valuable
work, and one that will eventually have an exten-
sive circulation among our business men. 1t con-
sists Of Logaritrmic arrangement Of numbers on
two circles one Of which is made to revoIve within
the other. BY this revolution, numbers and parts
Of numbers are multiplied and divided by each 9th"
err and all fractions changed and reduced; different
curencies reduced TO federal money; simple and
compound interest calculated at any rate per cent;
questions answered in loss and gain, rule of three,
proportion, and fellowship; numbers raised to
squares, cubes, Sc, and the square and cube root
extracted; taxes appolt toned; superfcies, squares
and solids measured; areas Of circles; squares,
ellipses and paralelograms given, &c. &c. All
these can be accomplished by simply revolving a
circular card. 1t is simple in its construction and
easily understood, and must save an immense
amount of time and labor among those who have
much calculation to make. We understand from
Mr. Ellis the agent of the work, that it has had an
extensive sale in Boston and its vicinity and has
received the unqualified appreciation of both mathe-
maticans and business men.


r The Governor of Mississippi in his late annual ad;
dress the Legislature that only of fifteen OF
the white population Of that State caH read Bos Trans


This story has been going the rounds of the
papers, and it istime it were stopped 1t had very
nearly got into our own paper, when we detected
and expelled it. The Governor of Mississippi
stated that one.ffteenM of the adults Of that
State could not rcad-which is bad enough, in
all conscience-but when it is made fourteen
ifteenths, it is time halt were called.