C C’, According to experiments made by the is the title of a new publication, truly American in the 6th of last month. its character, just commenced by R. E. Peterson & along the front, back, and top edges of the French Academicians, the velocity of sound Co., Philadelphia. It is to be completed in… … surface, are reflected from it insuch a manner rectness and consistency until the artist and casion to extend them our gratitude for the encour- Fig. 1 is a tront elevation of a door-frame that the angles of incidence and reflection are man of science mutually inform one another. aging and liberal…
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