The Internet Archive has a preservation copy of this work in our general collections.
People living in sparsely-settled or frontier regions, and who are denied many of the luxuries of modern civilization, would profit by studying the simple but ingenious expedients which went to make up the civili zation of the ancients. One of the readers of the SOIEN TIFIO AMERICAN, in the gold regions .of Alaska, has thus profited by his acquaintance with ancient hydrau-RAISING WATER WITH A SEESAW PUMP. lics. Mr. J. M. Weldon is a placer miner, and in his work requires some means of raisingdoi:10.1038/scientificamerican03091907-215b fatcat:xylx25qffng7bc4yuqk6wkc7ay