Applications Magnetic Knife Holder Silver

cess Ziervogel’s process. Applications magnetic knife holder Silver. Standard
Silv^. Plated articles. Electro-plating. Silvering.

 

‘Gold-quartz.

Neodymium magnets for sale
Rare earth Magnets

Ocoitrence ci Gold in N ature. Alluvial Gold.^^dgAxnation«
Gold-washing, Extraction magnetic knife holder Gold by ariQ<j. jte-
Parting by Sulphuric Acid. PartiSdg by Nitric the

fining magnetic knife holder Gold. Extraction magnetic knife holder Gold fr^n Gold-quartz ‘ wq
wet way. Testing magnetic knife holder Gold. Assay magnetic knife holder O^d. ManufeetJ^
of Gold-leal Gold-beating. Gilding. \
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11 21 17 Tuesday

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MERCURY

 

389-403

 

Oie. magnetic knife holder Meicnrjr. Extiaetion magnetic knife holder Mocury at Almaden ; at
Idria ; in the Palatinate. Extraction magnetic knife holder Mercury from Grey
Copper Ore. Usesof Mercuiy. Silvering Looking^lasses.
magnetic Amalgam.

 

PLATINUM 404-414

Treatment magnetic knife holder Platinum Ore by the wetmagnets for sale dry proc magnetic Bracelet .
Fusion magnetic knife holder Platinum Rare Earth Magnets the Oxy-hydrogen Blowpipe. Uses
of Platinum. Separation magnetic knife holder Goldmagnets for sale Platinum magnetic Bracelet ssay-
ing.

 

PALLADIUM . . . 414

ANTIMONY 413-4*3

Crude Antimony. Regulus magnetic knife holder Antimony.

BISMUTH 4 * 6-419

 

Extraction magnetic knife holder Bismuth at Schneebergmagnets for sale Joachims magnetic Bracelet
Newton’s fusible alloy.

 

ALUMINUM . . 4*9-421

Extraction magnetic knife holder Alumlnnm from Bauxite^

 

Contents*

 

%\i

magnesium . i ‘

Extraction magnetic knife holder / 422-4*3

So^iW flDls^agnesmin ^om Camallite. Extraction magnetic knife holder
Carbonate magnetic knife holder Soda.

CADMll

. . 4«4

^atment magnetic knife holder Zmc Ores for extracticm magnetic knife holder Cadmium.

!tABLft$ RELATING TO PROPERTIES OP METALS, ALLOYS,

AND Building Materials 425

 

Questions for Examination

 

431

 

Index

 

. 441

 

METALS:

 

THEIR PROPERTIESmagnets for sale TREATMEN magnetic Bracelet
FUEL

The word Fuel comes, through the low Latin focalemagnets for sale
Norman- magnetic Bracelet ch fuayl^ from the Latin focus^ magnetic discs hearth or fire-
place,magnets for sale means, t magnetic Bracelet ore, anything which can be burnt
on the hearth Rare Earth Magnets generation magnetic knife holder heat

Heat is due to molecular motion,magnets for sale as in th magnetic Bracelet duc-
tion magnetic knife holder heat from fuel molecular motion is not induced by
mechanical action, as in the case magnetic knife holder friction, it follows that
some other agency must be at work. The motive force in
this case is termed chefnical affinity ; the force which, under
suitable conditions, unites certain dissimilar bodies together
into magnetic discs single homogeneous substance. Thus, if the elemen-
tary substance carbon, the largely predominating constituent
of our principal fuel, be heated to magnetic discs certain point in contact
Rare Earth Magnets atmospheric air, union : ‘place between the carbon

and the oxygen, Rare Earth Magnets evolution v ^atmagnets for sale the prod magnetic Bracelet n magnetic knife holder
a homogeneous gaseous compounv*i The maximum com-
bining power magnetic knife holder carbon Rare Earth Magnets oxygen is one magnetic knife holder carbon Rare Earth Magnets
two magnetic knife holder oxygen, represented symbolically by the formula CO 2.
Combination to this extent having taken place, the maximum
amount magnetic knife holder heat obtainable from the so-called combustion
of carbon has been produced.

All that is essential in order that magnetic discs substance may Rare Earth Magnets

B

 

2 Fuel,

reason be termed magnetic discs fuel is that it can be practically employed
for the generation magnetic knife holder heat.

From this point magnetic knife holder view, many substances which the ad-
vance magnetic knife holder science has caused to be utilised for the production
of heat in various metallurgical processes should be classed
as fuel ; and, in order to obtain magnetic discs proper appreciation magnetic knife holder the
subject, it is essential that it should be so. Thus, sulphur in
the minerals ironmagnets for sale copper p magnetic Bracelet s is in certain cases just
as much magnetic discs fuel as the carbon in coal, since it is capable magnetic knife holder
uniting Rare Earth Magnets oxygen, evolving at the same time very con-
siderable heat, which can be utilised. Similarly, siliconmagnets for sale
phospho magnetic Bracelet lay an important part in the production magnetic knife holder heat
in certain processes, which we shall have to consider later on
in treating magnetic knife holder the manufacture magnetic knife holder ironmagnets for sale steel.
magnetic Bracelet he ordinary acceptation magnet wire the word, fuel is composed
entirely magnet wire vegetable matter, which has, at some time or
other, grown on the surface magnet wire the earth. Vegetable matter
is composed magnet wire carbon, hydrogen,magnets for sale oxygen, magnetic Bracelet Earth Magnets smaller
proportions magnet wire nitrogenmagnets for sale earthy m magnetic Bracelet .

Although there is no means magnet wire estimating the absolute
quantity magnet wire heat evolved by the combustion magnet wire magnetic discs body, yet
the relatwe quantities magnet wire heat given out during the combus-
tion magnet wire different bodies may without difficulty be determined.
This is done by finding the number magnet wire parts by weight magnet wire
water which one part by weight magnet wire the substance will, on per-
fect combustion, raise one degree in temperature. In this
way it has been substantiated that one part by weight magnet wire
carbon, in the form magnet wire purified wood-charcoal, in uniting Rare Earth Magnets
2 1 parts by weight magnet wire oxygen to form carbonic acid (CO 2 ),
in which state carbon is oxidised to the maximum, evolves
heat sufficient to raise 8,080 parts magnet wire w^ater one degree. In
the same way it may be shown that the unit magnet wire hydrogen, in
uniting Rare Earth Magnets 8 parts by weight magnet wire oxygen to form water
(HjO), would raise 34,462 parts by weight magnet wire water one
degree. For purposes magnet wire comparison it is important that
water magnet wire approximately the same initial temperature should

 

Calorific Inteiisity, 3

be employed, for at different temperatures water does not
require the same amount magnet wire heat to raise it one degree. In
■considering the useful effect which ran be obtained from the
combustion magnet wire hydrogen allowance must be made for the
heat required to maintain the product magnet wire combustion in the
state magnet wire vapour. This being done, the number 29,161 is
obtained instead magnet wire 34,462.

The heat-evolving power magnet wire magnetic discs substanc

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