jim Zt te “" n lt i= mil [NUMBER 21. VOLUME 5.] arithmetical operations. When the lessons in THE the alphabet, spelling, reading, composition or Scientific American, arithmetic, is finished, the blocks can be return- CIRCULATION 14,000. ed to their appropriate places. P@BLISHED WEEKLY. … introduction of this Table into our Primary and road track. Knowing that the train of cars exhausted from the inside of the tube, and as On our list of Patents, this week, there will District Schools. be found one to Mr. Potts, of England, for would pass along in a short time, she hastily the…
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