period of undertaking, the plucky little professor (he was small in stature and most delicately formed) had collected $3,000, and $6,500 necessary to complete his work. The times were hard and the subscriptions came in so slowly that he determined to collect them in person. Where money could not be procured, he took provisions or anything in the world that had negotiable value. This "potpourri" of valuables he marketed and turned into cash as best he could. Nor was this all that the indefatigable professor had to do. Many of his subscriptions being in work and materials no collectors would accept them as his assets and he undertook to make them available by buying all the materials, hiring all the men and superintending all the work, at which task he labored like a miniature titan. The ascent to the place of construction was steep. Therefore, he built a kiln and burned the lime; he purchased a sand pit also and often shoveled its contents into the wagon with his own hands. These herculean laborers, arduous as they were, constituted but the advocation of the busy man for, all the time, he carried on his classes, teaching five hours a day from eight until one. Each Saturday exhausted his funds and on Monday he had to begin collecting again. But, nothing daunted or discouraged the invincible enthusiast, he stuck resolutely to his task until it was done, and in March 1845 he had the satisfaction of hoisting his telescope into place. At the time, it was the second-largest refracting telescope in the world. There was no salary attached to the office of astronomer in this new observatory and Mitchel supported himself by civil engineering on the route of the Ohio & Mississippi Railroad (Ohio and Mississippi Railway) and by lecturing anywhere and everywhere. In 1853, he was elected as a member of the American Philosophical Society. For a time, Cincinnati lost his inspirational presence. In 1859, Mitchel accepted the position of astronomer of the Dudley Observatory in Albany, New York (a position which he held until 1861), where he continued his pioneering work on the development of telegraphic determination of longitude. Although, he did not wholly relinquish a connection with the one he had built in Cincinnati. Mitchel helped establish observatories for the United States Navy and Harvard University. He also published, in 1846, the first monthly magazine in the United