64 
THE YOUNG SCIENTIST. 
EXCHANGES. 
Wanted, " Butler's Family Aquarium ; " will give 
in exchange two books, entitled " Laughing Gas " 
and " De Walden's Ball-room Companion." E. 
B. Brown, Box 25, Covington, Ind. 
A small printing press and outfit, cost $12, for 
steam engine, Demas lathe and scroll saw, or 
offers. Ernest Corthell, Rockport, Maine. 
A patent spectograph, cost when new $1.25 ; rare 
minerals, birds' eggs, and postage stamps, to ex- 
change for minerals, foreign coins, Indian relics, 
or offers. Frank F. Fletcher, St. Johnsbury, Ver- 
mont. 
Eggs, of the English sparrow, for good speci- 
mens of other birds' eggs ; botanical specimens 
mounted and unmounted to exchange; lists ex- 
changed. C. E. Hexamer, New Castle, Westchester 
Co., N. Y. 
Two telegraph instruments, nearly Yz mile of 
wire, one battery ; also 4 in. magnet. 8 Scientific 
American Supplements, full of information ; new 
history of United States ; a $4 German silver- 
trimmed flute; what offers? Ewing McLean, 
Greencastle, Ind. 
Wanted, The Workshop Companion: I have 
Gaskell's Compendium, $1; The Round-of- 
Months, 75C. ; Amateur's Hand Book, I5c. ; also 
books, papers, pictures, etc. ; send lists of what 
you have to exchange, W. B. Moore, Morgan 
Station, Ky. 
McAllister's magic lantern and 30 pictures (cost 
over $95), to exchange for job type and ma- 
terial, or a good microscope and specimens ; $20 
worth of novels for a good $15 or $20 household 
microscope ; rare mineral and Indian relics for 
exchange or sale ; refers to editor. John T. 
Patrick. Wadesboro, N. C. 
What is offered for one of the Climax extension 
step ladders? H. E. Phelps, Manhall, Michigan. 
Wanted, a good microscope in exchange for a 
scroll saw : instrument must be in good order, 
and magnifying power of from 200 to 300, or 400 
diameters. H. E. Rhodes, Brighton, Iowa. 
To exchange, a $3 microscope for some old 
issues of Canada postage stamps. Wallace Ross, 
Lock Box 97, Rutland, Vt. 
Wanted, a printing press: have for exchange a 
good microscope (Smith & Beck, London), 3 object 
glasses, and three eye pieces, power from 15 to 
600 diameters, original cost $60 ; books, chemicals, 
guitars, and other things for exchange. E. F. 
Underwood, 9 Murray St., N. Y. 
Wanted to exchange, Colorado minerals, such 
as jasper, smoky quartz, silicified wood, etc., for 
good specimen fossils, or perfect crystals of min- 
erals of other localities. H. F. Wegener. Denver, 
Colorado. 
One Natural Philosophy, one Bryant & Strat- 
ton's Counting-house Book, and two long bows, 
with arrows, to exchange for cabinet specimens or 
curiosities. W. D. Wright, Lock Box 17, Bremen, 
Indiana. 
Wanted, coins, minerals, and type : send lists 
of what you ha ve and what is wanted in exchange. 
A. Campbell, Derrick City, McKean Co., Pa. 
An Excelsior Printing Press, with equipments, 
comparatively new. cost over $47, for double barrel 
breech-loading shot gun, with reloading tools and 
shells. William A. Hervey, Box 134, Taunton, 
Mass. 
To exchange, 400 stamps, all different, in a stamp 
album, for a small printing press with type, etc. 
Arthur D. McGerald, 106 Bird Ave., Buffalo, New 
York. 
Revolver, microscope, microphone, 4 magnets, 
skates, skate sharpener, copying pad, books, 
magazines, $7 worth of rosettes, and lots of other 
things to exchange ; I will give you a better trade 
than anyone else can. Chas. T. Conover, Esper- 
ance, Scho. Co,, N. Y. 
To exchange, $5 pair of telephones for mounted 
microscopic specimens, good objective, lathe 
chuck, watch, type and cases, or offers ; describe 
offers. Wm. R. Brooks, Phelps, N. Y. 
What offers for Roger Scroll Saw. 55 large pat- \ 
terns. J. Brower, 3,150 Frankford Road, Phila- | 
delphia. Pa. f 
Photographs of ten of the most infiuential In- | 
dians of Spotted Tail Agency, including Spotted ! 
Tail and family and four oil chromos, very beau- 
tiful, for printing press, scroll saw, or offers, i 
Luther Emerson, Creighton, Knox Co., Neb. 
"Appleton's Picturesque America," never been j 
read or handled, value $24; "Dana's Miner- } 
alogy," $10, and coins, to exchange for a breech- '< 
loading shot gun, Winchester or Evan's rifle, or 
offers. D. M. Fuller, Box 115, Camden, Maine. 
Scroll sawing outfit, $6 ; microscope, $3 : pocket 
telescope, $l ; Gaskel's Compendium, $1 ; Williams* 
Complete Painters' Guide, $2. What offers for all 
or part; printing outfit preferred. F, W. McNair, 
Box 46, Fennimore, Wis. 
$7 worth of books or papers, to exchange for a ' 
Household microscope or offers. Jonas D. Rice, 
221 Academy St., Mercer Co., N. J. 
One pair best steel climbing irons, handsome 
seven shot, 22 calibre revolver, full nickel plate, 
ten dollars worth of boys' papers, and magazines, 
for works on natural sciences or offers. W. M. 
Stribling, Circleville, Pickaway Co., Ohio. 
Idaho cabinet minerals, books, revolver, stencil 
outfit, an eleptrizer, for well-bound books of 
travel, biography, history, science, masonry and ■ 
others of an instructive nature. J. P. Clough, 
I Junction P. O.. Lemhi Co.. Idaho, 
Dumb bells of all sizes, to exchange for most 
anything; send for circular containing weights 
of them to J. P. Donohue, Box 7, Davenport, Iowa. 
Wanted, scientific books and papers, micro- 
scope, drawing instruments, telephone, stamps 
and coins, in exchange for scroll saw, type, cards, 
revolver, shot gun, magazines, scientific books, 
or almost anything. W. L. Goodsell, Bath, N. Y. 
A pair of New York Club skates, worth $3.50, 
also coins, minerals and postage stamps, for 
books or offers ; correspondence invited. E. F. 
Greene, P. 0. Box 889, Bath, Steuben Co., N. Y. 
A nice marine oil painting, ready framed, worth 
$5.00 ; state what is offered in exchange. C. Ham- 
mond, Artist, P. 0. Box 47, Chatham, Barnstable 
Co., Mass. 
Photographic camera, one portrait and one land- 
scape tube, with chemicals complete, in exchange 
for medical books. J. Frederick Herbert, 1.324 
Poplar St., Philadelphia, Penn. 
What offers for l Household Microscope, one 8 
shot breech-loading carbine, 1 new 7 shot pistol 
and cartridges, l small gold watch, l small gold 
chain, l violin and case, one new darning machine. 
Lock Box 147, Tarboro, Edgecombe Co., N. C. 
Back Nos. "Penman's Art Journal" for 1879; 
Gaskell's Compendium, $1 ; Coe & Shells' Pen and 
Ink Drawing, 25c. : Pettengill's Fortune Teller, 
40c. ; Hand-Book of Business, 25c. ; in exchange 
for microscope, printing press, or offers- M. B. 
Moore, Morgan Station, Ky. 
Trump's and Russel's scroll patterns, worth 
$10; for large lenses preferred. H. J. Peters, 
Rogersville, Ohio. 
Lessons in Standard Phonography given in ex- 
change for a printing press, lathe, scroll saw, 
scientific books, hammock, or offers. Phono- 
grapher. Box 331, Topeka, Kans. 
Wanted, chemical apparatus, in exchange for 
"Phrenological Journal," $2, and the last six 
numbers of "American Agriculturist," 75 cents, 
of 1879. T. P. Potts, Canonsburg, Pa. 
Land and fresh water shells, birds eggs, min- 
erals, fossils (correctly named) or books. Gray's 
"How Plants Grow," Pope's "Linear Perspective 
Drawing," in exchange lor a Multum in Parvo 
