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S. E. THOMAS.--You can make a heated-air toy balloon with tissue-paper,
a very light wire hoop with a cross piece, and a sponge. Cut your paper
in shape like a lengthened quarter of orange peel, and after pasting the
edges firmly together, joining them only at one end, paste the open end
around the wire hoop. Soak the sponge with as much alcohol or turpentine
as it will hold, and after fastening it securely to the cross piece of
the hoop, light it, and the balloon will soon expand with the heated
air, and rise. If you make the balloon of colored tissue-paper, and it
rises while the sponge is still burning, the effect at night is very
pretty. A bunch of tow might be used in place of a sponge.

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SADIE MCB.--We think the address given by the correspondent you wish to
exchange with is sufficient. Write, and you will probably receive an
answer.

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ED. S. K.--In YOUNG PEOPLE No. 23 you will find full directions for
building a sloop-yacht.

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CHARLES K.--The recipe for butter-scotch was in the Post-office Box of
YOUNG PEOPLE No. 37.

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FORD M. G.--The specimen you send is a sphinx moth, of which there are
several varieties in the United States.

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F. W. B.--You can obtain the numbers of YOUNG PEOPLE you wish by sending
one dollar and fourteen cents to the publishers.

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BROWNIE.--A salt-water turtle feeds upon the tough stems of sea-weeds,
and upon crustacea and very small mollusks, but it might eat bits of
bread and meat, or insects.

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GEORGE H. K.--We doubt if you could make a microscope which would be as
cheap or as satisfactory as one already manufactured. Microscopes may be
bought at all prices.

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Favors are acknowledged from Mary C. Hodges, Clare A. Howe, Amy Piper,
Mabel C. C., Nellie W. Edson, M. C. S., Carrie Taylor, Mart Seeds, Lidie
B. D., George A. C., Thomas S., H. S. K., Margarets M. and W., Allie
M. B., George Paul, Clara S. A., Angie and Anna W., C. Hegemin, Orrin D.
Bradford, Mattie Murphy, Josie Parcher, Bertie Jones, Bertha F. H.,
Charles A. H., E. I. R., Frank Boucher, Stella M. S., Mary E. Paine,
Victoria Gregory.

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