1384.] 
AUmUGAE AGEIOULTIiKIgT. 
14 ^ 
adapted to hold it for carrying Safely by any con¬ 
veyance, and for keeping it in when not in use. 
We can conceive of no more convenient arrange¬ 
ment of all the parts for practical use, than are com¬ 
bined in this remarkable Single Microscope. 
for tlie IVIicrotscope i4>t' 
Fsiriners, and Otliers. 
A Microscope is valuable to Fariiici'is —to detect 
the cause of diseases of plants and animals, whether 
due to insects, such as scab, etc., or to fungi, as mil¬ 
dew, etc.; to detect adulteration in seeds, and their de- 
Fig. 6.—SIKGLE MICROSCOPE. LENSES ON STANDARD. 
gree of goodness or badness, the proportiem of fertile 
and infertile seed; also adulteration in fertilizers, 
ground bone, etc.; to examine wounds and biniises, ex¬ 
tract slivers from the luinds, etc., etc. The Microscope 
is equally useful to €inrdcnei-s. Florists, 
Friiit-S'rowers, etc., for most of the above 
purposes, and for many others too numerous to specify. 
The Microscope is useful to All tllasses, to de¬ 
tect adulterations in food, as in coffee, tea, spices, sugar, 
and to examine the texture and defects of many articles. 
As a source o/ Instructive Aniiiseincnt, 
the Microscope is exceedingly valuable to Children, to 
Young people, and to Grown people. The beautiful 
forms and structure of the most minute 
flowers, of insects, etc., are wonderful 
when examined by even a Microscope of 
very moderate power. The dust on the 
wing of a butterfly or moth becomes, 
in the Compound Microscope most beau¬ 
tiful feathers or other forms. Mold on 
cheese or a shoe becomes to the eye a 
forest-like growth. The structure of the 
soil under our feet, its curious mixture 
of crystals and broken rocks, are interest¬ 
ing to examine. A drop of spirits of 
camphor put on the glass is seen shoot¬ 
ing into wonderful crystals, as the liquid 
evaporates. Hundreds of other things 
may be examined, furnishing varied in¬ 
struction, and most elevated entertainment. 
As an interesting Toy, nothing else equal to a fairly 
good Microscope can be given to Children. 
How Supplied. 
This Simple Microscope is more valuable in the 
quality»of its lenses, its arrangements, etc., than 
any thing we have ever seen offered for several 
dollars. Probably its equal can nowhere else be 
had under four or five dollars. But it will be sup¬ 
plied by us and sent delivered free to any part of 
the United States and Territories for two dollars, 
and delivered free to any actual subscriber to the 
American Agricidturist for for One Hollar 
and twcniy-livc cents. 
Further.— We will present one, delivered free, 
and send the American Agriculturist to a new sub¬ 
scriber, post-paid, during all of 1884, for two dollars. 
Further.— We will present this Microscope to 
any present subscriber, and deliver it free 
to him, who will send us two new subscribers 
to the Ammlean Agriculturist for one year, at one 
dollar and fifty cents each. 
Xalte Notice ATALi Sn1vscril>ers. 
Any person already a subscriber lo the American 
Agriculturist, can have one of the above Micro¬ 
scopes delivered free to Win for one dollar and 
twenty-five cents. 
Fig. 7. 
ROD. 
A SfiemarkaM© Iiistrament— Of €ireat Valne to All 5 
Srought within the reach of almost Everybody—Costs scarcely one-fifth of former less Valuable' Instru¬ 
ments—Reveals all around us a Woxld of Objects far more numerous and even more interesting and 
beautiful than all we can sec with our natural eyes — Useful in Many Ways—a Perpetual source of 
Pleasure and Instruction io 2 0 UR 0 and OLD—It should be al once placed in every Public and 
Private SCHOOL not already supplied, and in Every FAMILY—Valuable to Physicians, elc.,dc. 
Partial Dcacriptlon.—(A full Do- 
Bcription, also Prof. Phiun's " Book on 
the Jlicrcscopc ” go with each Inetru- 
ment)—: A, Heavy jet-black ibow foot. 
—B, Two iron pillars, with trunlona 
between, allowing tlie instrument to turn 
to any angle from perpendicular to hor¬ 
izontal.—!), Hard-rubber staqb, with 
spring CLAMPS, which are easily adjusted 
to thick or thin plates, 
or quickly removed—E, 
Eevolving diaphragm, 
with different sized ap¬ 
ertures to graduate a- 
mount of light admit¬ 
ted.— F, F, COKCAVE 
MIBBOB, throwing light 
up from below through 
transparent objects ; or 
turned above to throw 
light upon 
opaque ob¬ 
jects. — G, 
The BODY, 
nickel-plat¬ 
ed, which is 
moved upor 
down with ^^8- 3-— camera lticida in use. 
great delicacy of adjustment of focus, by the back and pinion, moved 
by the milled heads (one seen at H).— I, Two object 
GLASSES, used separately or together, according to power de¬ 
sired. These, the most Important part of any Microscope, are 
of very superior quality.-L, is a nickel-plated 
DRAW-TUBE, Inches long, adding materially 
to the length of the body when higher magnify¬ 
ing power is desired.-It (shown in section at 
the left. In flg. 2), Is a very complete ETE-pir;cB, 
having all the parts of the most costly Micro¬ 
scope, viz., FIELD gWa. Qj DIAPHRAGM of 
black metal, P; eye-glass, O.— All parts of 
the eye-piece are mounted in frames with re¬ 
movable screws.-Fig. S. — The Camera 
liUcida is a new and most valuable appliance 
for throwing the image of any object, magnified 
to any desired size, upon paper in a way to be 
easily sketched with a pencil by any person, 
or by a child, if old enough to trace lines and 
marks with a pencil.—C®” With this, one can 
make a complete picture. 3 or 4 inches across, 
of the foot of a fly, iheparts of a plant, and of 
many other things so small as to be almost 
invisible to the unaided, eye. 
—The New American Agriculturist 
Compoiand MICRO SCl>PE. 
"With a Compound Microscope we have actually seen 
and measured living, moving animals, so small that 
10,COO,000,000 would only fill a box erne inch in diameter— 
that is, seven times ns many of them as there are of 
people in tho world 1—We have a hit of swine’s flesh 
barely visible to the unaided eye, which, under the 
Microscope, is plainly seen to contain seven separate 
nests of Trichines that 
look like so many mon¬ 
strous serpents.—Tho un¬ 
seen world all around us is 
full of such wonders. The 
Microscope opens Up tliis 
world to our eyes I Tlio 
greater the power of tlie 
Instrument, the greater is 
the extent of the world 
thus revealed. 
For the special benefit 
of the readers of the Amer¬ 
ican AgricuUurisi, the Edi¬ 
tors, after years of thought 
on this subject, and many 
experiments, succeeded in having an excellent Compound 
Microscope of quite large power, constructed by automatic 
machinery, which makes the parts far more perfectly, and 
Fig. 4. Microscope condensed 
in Walnut Case (8Mx4jjx3^ 
inches), in which it is firmly 
held for carrying or keeping. 
at far less cost than the former slow hand¬ 
work.—It has also combined with it a new, 
simple Camera Lnclda, which enables 
even a child to sketch upon paper large per¬ 
manent pictures of objects so small as not to 
he visible to the naked eye—sneh as the dust 
on a moth or butterfly shows like feathers or 
scales, 3 or 4 inches across, and in infinite variety o( 
form, shape, and coloring; the foot of a fly, flea, etc. ; 
the tiny and nearly or quite imperceptible insects that 
destroy our plants and clothing, or produce diseases in 
our plants and animals; tho pollen of flowers, etc.—It 
enables farmers, gardeners, and fruit growers to examine 
and recognize insects, foul seeds, fungi, etc., 'etc. It is 
Useful to all physicians. Every family will find it in¬ 
tensely Interesting, and no Scliool, Public or Private, 
should he without one. (See offer below.) 
Price $15 (or $10 to American Agrieulturist sub¬ 
scribers, for -whom it was specially designed).—J^"Thi 3 
price includes tlie Camera Lucida, tho Walnut Case (flg, 
4) packed in an exterior box, so that it will go safely 
anywhere by express; also a free copy of Prof. Phinn’s 
Book on the Microscope, some glasses, etc.—Carriage 
paid by recipients. 
Tho whole will also he Presented to any one fur 
nishing 10 subscriptions to the American Agriculturist 
at $1.50 a year each, The Teachers or Pupils in 
every school not already supplied should at once make 
up a subscription club, and secure this Microscope for 
the benefit of all. Plenty of people would take the paper 
for their own use, when by so doing they would help so 
valuable an enterprise. 
N. B.— Any one desiring the above Microscope for imme¬ 
diate use, or as a present, can forward $10 anrf receive it, 
and deduct the $10//'om the subscription money if he after¬ 
wards makes up a Premium Club for it, as above offered. 
