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Scientific American, Vol. 88, No. 4 (January 1903) (1903)

leaf 7

An illustration from Scientific American, Vol. 88, No. 4 (January 1903), 1903, leaf 7
perintendent of the tele- way the block was worked until its condition was that 1 liter of distilled water. graph system of the Baltimore & Ohio Railroad during shown in Figs. 2 and 3 in plan and section respec- tively. By a similar process the ridges, r, left by the the civil war, died on December… … Fig. 6.—Polishing the Mirror. Fig. 4.—Silvering- the Mirror. Fig. 5.—Making the Tube of Telescope. Fig. ?.—The Telescope Completed HOW THE LABGE TELESCOPE AT THE JESUIT COLLEGE, MONTREAL, WAS MADE. © 1903 SCIENTIFIC AMERICAN, INC.

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