76 
THE YOUNG SCIENTIST. 
EXCHANGES. 
Wanted, " Butler's Family Aquarium ; " will give i 
in exchange two books, entitled " Laughing Gas " 
and " De Walden's Ball-room Companion, " E. 
E. 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. Joliusbury, 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. R. Hexamer, New Castle, Westchester 
Co., Y. 
Two telegraph instruments, nearly >2 mile of 
wire, one battery; also 4 in. magnet. 8 Scientific 
American Supplements, full of intoimation ; new 
history of United States: a $4 German silver- 
trimmed flute; what offers? Ewing McLean. 
Greencastle, Ind. 
Wanted, The Woi'kshop Companion; I have 
Gaskell's Compendium, $l; 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 reli(!s 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 
sci'oll saw: instrument must be in good order, 
and magnifying power of from 200 to 300, or 400 
diameters. H. E. Rhodes, Brighton, Iowa. 
To ex<^hange, a $3 microscope for some old 
issues of Can;'da postage stamps. Wallace Ross, 
Lock Box 97, Rutland. Vt. 
Wanted, a printing press ; have for exchange a 
good m i^'roscope (Smith <t Beck, London ), 3 object 
glasses, and three eye r»ieces, power from 15 to 
600 dinmerers, 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, silicifled wood, etc., for 
good specimen fossils, or perfect crystals of min- 
erals of other localities. H. F. Wegener Denver, 
Colorndo. 
One Natural Philosophy, one Bryant Sc Strat- 
ton's Countin<r-house Book, and two longbows, 
with arrows, to exchange for cabinet specimens or 
curiosities. W. D. Wright, Lo(;k Box 17, Bremen. 
Indiana. 
Wanted, coins, minei-als. and tvpe: send lists 
of what you have and what is w inted in e ■'^'hange. 
A. Campbell, Derrick City, McKean Co., Pa.. 
An Exr'elsior Printing Press, with equinments. 
Comparativp>ly n^w. costovf^r$47. for double bai-iel 
breeoh-lonrimgshot gun. with reloading tools and 
shells, William A. Hervey, Box 134, Taunton, 
Ma-^s. 
To exchange, 400 stamps, all different, in astamp 
album, for '^nrdl r^rintinT press w'"+h ^vpe. f^tc. 
Arthur D. McGe raid, lOG Bird Ave., Buffalo, New 
York. 
Revolver, microscope, microphone, 4 marrne*-s, 
skates, skate sh^^rppner, copying pad, books, 
magazines, $7 worth of rosettf^s. and lots of othr>r 
things to exchange : I will give you a better trade 
than anvone 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 otters; 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. 
Photographs of ten of the most influential In- 
dians of Spotted Tail Agency, including Spotted ■ 
Tail and family and four oil chromos. very beau- i 
tiful, for printing press, scroll saw, or otters. 
Luther Emerson, Creighton, Knox Co., Neb. 
"Appleton's Picturesque America," never been 
read or handled, value $24; "Dana's Miner- i 
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 I 
telescope, $1 ; Gaskel's Compendium, $1 ; Williams' j 
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 j 
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, Circleviile. Pickaway Co.. Ohio. ' 
Idaho cabinet minerals, books, revolver, stencil 
outfit, an electrizer, for well b^und books of 
travel, biography, history, science, masonry and 
others of an instructive nature. J. P. Clough, f; 
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. I 
A pair of New York Club skates, worth $3.50, 
also coins, minerals and postage stamps, for 
books or offers; correspondeii'^e invited. E. F. j 
Greene, P. O. Box 889, Bath, Steuben Co., N. Y. j 
A nice marine oil painting, ready framed, worth 
$5.00: state what is offered in exchange. C.Ham- ' 
mond. Artist, P. O. Box 47, Chatham, Barnstable I 
Co.. Mass. !i 
Photograph ic camera, one portrait and one land- 
scape tube, with chemicals complete, in exchange 
for medical books. J. Frederick Herbert. 1.324 I 
Poplar St., Philadelphia, Penn. j 
What offers for l Household Microscope, one 8 
shot bree<"h-loading carbine, i new 7 shot pistol 
and cartridges, l small gold watch, l small gold 
chain. 1 violin and case, one new darning machine. 
Lock Box 117. 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, 25'». ; in exchange 
for microscope, printing press, or offers. M. B. 
Moore, Morgan Station, Ky. 
Trump's and Russel's sf^roll pat<-orns, worth 
$10: for large lenses preferred. • H. J. Peters, 
Rogersville, Ohio. 
Lessons in Standard Phonography given in ex- 
change for a printing press, lath'\ scroll saw, 
scientific books, hammo<'k, or offers. Phono- 
grapher, Box 331, Topeka, Kans. 
Wanted, chemi'^al appa.ratiis, in exchange for 
"Phrenological Journal," $2, and the last six 
numbers of " Ameri^^an Agn>uitunst," 75 cents, 
of 1879. T. P. Potts. Canonsbnrg. Pa. 
Land and fresh water shell'*, birds eggs, min- 
er-^ls. fossils (^orrer'tlv named) or books, Gray's 
"How Plants Grow." Pope's "Lin^Hr Perspoctive 
Drawing," in exchange for a Multum in Parvo 
