ion should be made for copies of the "Congressional Record" and
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to a minute description of ice-boat building. --A.S. 1. California
half-dollars, in perfect condition, are worth 60 or 70 cents each. 2. It
is claimed to be very efficacious. --W.P. Your offer is respectfully
declined. We have already provided many articles on electricity in its
various forms, and from time to time will publish others by practical
writers. --NENA. 1. The titles of the serials in the volumes named are
printed in the index furnished with each. 2. Harry Castlemon was the
author of "The House-Boat Boys." --CONSTANT READER. We never supply
business addresses. --JIM. Not possessing the key we are unable to solve
the cryptogram. --L.F. It is a very interesting game, suited to the
tastes of both old and young. The query was sent too late to be
answered in the Christmas Issue. --BYRON V. Refer the matter to a local
engineer. --HOWARD W.E. A description of the way to make a small storage
battery appeared in Vol. XI. No. 25. --CONSTANT READER. Books devoted to
hypnotism have been written by Drs. Hammond, Bernheim, Moll and Raue,
besides which it has formed the subject of many magazine articles.
--WHEELMAN. Read the description of electroplating in Vol. XI, No. 23.
--J.L.J. No premium. --W.K. 1. We do not pay for contributions to
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-> Several communications have been received which will be answered
next week.

[Illustration: A HAPPY TRIO.]

* * * * *

Your Worst Enemy

Is that scrofulous humor in your blood which manifests itself in
festers every time the skin is scratched or broken, or in hives,
pimples, boils, and other eruptions, causes salt rheum, or breaks
out in occasional or continuous running sores. *Get Rid of it at
Once*, or some time when your system is weak it will become your
master. Hood's Sarsaparilla is the remedy which will purify your
blood, expel all trace of disease and give you strength.

*Hood's Sarsaparilla*

Sold by all druggists. $1; six for $5. Prepared only by C.I. HOOD &
CO., Apothecaries, Lowell, Mass.

100 Doses One Dollar

*1000 DOLLARS!*

I will forfeit the above amount if I fail t