Philosophy in Sport Made Science in Earnest: Being an Attempt to Illustrate the First Principles of Natural Philosophy by the Aid of Popular Toys and SportsParis, John Ayrton
Science
Philosophy in Sport Made Science in Earnest: Being an Attempt to Illustrate the First Principles of Natural Philosophy by the Aid of Popular Toys and Sports
Paris, John Ayrton
Science -- Juvenile literature
“It is the vicar!” exclaimed Louisa.
It was, indeed, a portrait of that most excellent character,
represented in the costume in which he usually appeared.
“Turn it round,” said Mrs. Seymour.
Louisa twirled the cord, and the effect of the rotation was to convert
the humble vicar into the dignified bishop; his meagre form was
instantly changed into a corpulent figure, which was still farther
inflated by the addition of the episcopal robe and lawn sleeves, while
his angular features were softened by the graceful curves of an immense
wig.
“I will give you a motto for it,” said the major, “and may it be
prophetic!--RAPID PREFERMENT.”
“I will now show you the improvement which has been effected in the
construction and use of this toy,” said Mr. Seymour. “It consists in
altering the axis of rotation while the card is in the act of
revolving, in order that the images on its opposite sides may be
brought in different positions with respect to each other.”
“There cannot be any doubt that such would be the effect, were it
possible to change the axis in the way you propose, but how is this to
be effected?” asked the vicar.
“At first I attempted to produce the change by the addition of several
other strings, but I soon found, that, in order to avail myself of this
expedient, I should be obliged to stop the card before I could alter
the axis, whereas my great object, as I have just stated, was to
produce the change while the card was in the act of spinning,” answered
Mr. Seymour.
“And I shrewdly suspect that such must necessarily be the case, adopt
whatever expedient you may,” observed the major.
“No indeed; I have at length succeeded to my entire satisfaction, and
that too by a most simple scheme, after having tried without success
many very complicated contrivances.”
The party were very desirous of witnessing this triumph of skill, and
Mr. Seymour produced the card, with its appendages, of which we shall
here present our readers with an engraving:--
[Illustration: Fig. 1. Circular card with bottle and another with man’s
torso.]
In all respects the card is constructed like the common Thaumatrope;
the subject, it will be perceived, is that of a man drinking, the
bottle being placed on one side, and the head on the other; upon
revolving the card, in the ordinary manner, the two images will appear
together as represented in:
[Illustration: Fig. 2. Man with bottle halfway to his mouth.]
Public-domain text, read in full here on John Shaqi.
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