The Popular Educator, Τόμος 4 |
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Σελίδα 1
For example, selecting the metal iron as a subject of contemplation, we may
study its specific gravity, its degree of hardness, its property of welding, of being
drawn out into wire, and rolled or beaten into plates; all these phenomena
depend ...
For example, selecting the metal iron as a subject of contemplation, we may
study its specific gravity, its degree of hardness, its property of welding, of being
drawn out into wire, and rolled or beaten into plates; all these phenomena
depend ...
Σελίδα 2
For example, there exist certain alloys, of which the volume is less than the joint
volume of the metals entering into their composition. Again, on mixing water with
oil of vitriol or with alcohol, the mixture contracts in volume. Such phenomena do
...
For example, there exist certain alloys, of which the volume is less than the joint
volume of the metals entering into their composition. Again, on mixing water with
oil of vitriol or with alcohol, the mixture contracts in volume. Such phenomena do
...
Σελίδα 3
Numerous examples might be cited illustrative of the extreme divisibility of matter.
Thus one grain of musk is sufficient to evolve during many years the peculiar
odorous particles of that substance in an apartment the air of which is frequently ...
Numerous examples might be cited illustrative of the extreme divisibility of matter.
Thus one grain of musk is sufficient to evolve during many years the peculiar
odorous particles of that substance in an apartment the air of which is frequently ...
Σελίδα 8
Suppose, for example, that you wished to know the length of a degree of
Longitude in Lat. 40° north or south of the Equator. Look in the table, in the
column marked Deg. Lat. for 40, and in the adjoining column to the right marked
Geog. miles, ...
Suppose, for example, that you wished to know the length of a degree of
Longitude in Lat. 40° north or south of the Equator. Look in the table, in the
column marked Deg. Lat. for 40, and in the adjoining column to the right marked
Geog. miles, ...
Σελίδα 13
2,. we. have. given. an. example. of. a. Plane. Scale. of. the. most useful
construction, for there are several varieties in this ... to. explain. This. example. is
a sae simile of an ivory Plane Scale which has been in our own possession for
more than ...
2,. we. have. given. an. example. of. a. Plane. Scale. of. the. most useful
construction, for there are several varieties in this ... to. explain. This. example. is
a sae simile of an ivory Plane Scale which has been in our own possession for
more than ...
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