The Popular Educator, Τόμος 4 |
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Σελίδα 3
... afterwards accurately enlarging the orifice by means of a rat's-tail file, or by the
use of a special instrument termed a cork-borer. The latter is by far the more
convenient plan of the two. I have not assumed the student to possess a cork-
borer, ...
... afterwards accurately enlarging the orifice by means of a rat's-tail file, or by the
use of a special instrument termed a cork-borer. The latter is by far the more
convenient plan of the two. I have not assumed the student to possess a cork-
borer, ...
Σελίδα 4
The cork I will now assume to have been accurately adapted, by filing, to its
orifice; but it is hard and rigid. Corks may be softened by immersion in bouling
water, a treatment which will answer all present ends; but cases frequently
present ...
The cork I will now assume to have been accurately adapted, by filing, to its
orifice; but it is hard and rigid. Corks may be softened by immersion in bouling
water, a treatment which will answer all present ends; but cases frequently
present ...
Σελίδα 21
The lower orifice of the copper cup A is closed by a thick piece of buff leather. Let
some quicksilver be now poured into the copper cup until the buff leather is
entirely covered; then create a vacuum by means of the air-pump. Immediately
this is ...
The lower orifice of the copper cup A is closed by a thick piece of buff leather. Let
some quicksilver be now poured into the copper cup until the buff leather is
entirely covered; then create a vacuum by means of the air-pump. Immediately
this is ...
Σελίδα 70
The facility with which a of good jet can be próduced and : maintained, greatly
depends _y \s upon the size of the terminal orifice, which, if too large, will require
more air than can be readily supplied by the reservoir of the mouth alone.
The facility with which a of good jet can be próduced and : maintained, greatly
depends _y \s upon the size of the terminal orifice, which, if too large, will require
more air than can be readily supplied by the reservoir of the mouth alone.
Σελίδα 103
The globe and the cylinder being filled with water, if the piston be pushed
inwards the water will spout through all the orifices or pipes, and not through that
only which is opposite to the piston. The reason why the principle of equality of ...
The globe and the cylinder being filled with water, if the piston be pushed
inwards the water will spout through all the orifices or pipes, and not through that
only which is opposite to the piston. The reason why the principle of equality of ...
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