Object Lessons: And How to Give Them; Second Series for Intermediate and Grammar Schools (Classic Reprint) - Hardcover
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Excerpt from Object Lessons<br/><br/>There is, however, another source of knowledge of material bodies. In this case the mental impressions are derived from within the body, and are due to muscular exertion. It is by muscular feeling that we estimate the amount of force required to overcome resistance. Thus we get ideas of elasticity and weight from the amount of active energy put forth by the muscles to overcome inertia in the one case and gravitation in the other. If a weight is placed in the hand we are con scious of a certain amount of force expended to keep it from falling; if the weight is increased we are conscious of an increased expenditure of muscular energy. The mental impressions, formed by and through the senses, including muscular feeling, are called sensations....
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Object Lessons And How to Give Them Second Series for Intermediate and Grammar Schools Classic Reprint
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