SCIENTIFIC AMERICAN. 223 … the strongest power. Bagley's Patent Extension Penholder and Pencil. much simplicitly in its connections "D. B. jr., of B."—Your plan for horse pow- mon pen holder, but when extended Is one fourth'loa T^HIS is the most compact, complete, convenient I " R. M'G. of J."—Of all the immense vari- er…
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