Show POPULAR SCIENCE THE curvature of the earth is eight inches per mile I 1 i t 3 1 I MAES revo revolves lies around the sun it at a mean distance of at about abo ut ale s 1 IT ir would take earths make a globe the size of the sun atlie density of the sun is only about one fourth that of the earth A B BELL that thai could be heard reet feet in water wafer could coWd be only only feet in inthe the open air dogs barking on the earth can can be e heard at a height of four miles 1 I I 1 I 1 points upon the ahe surface suria C e of t the he earth revolve with different tyelor velocities at the poles the speed of tota ti onis nothing but it at the idi equator i it is greatest or over miles per hour 0 ONE healthy housefly bui fly iii iiii r me so course n of the summer j lays ands and each tune about 80 eggs eg gs i po for the season seago ii tt ii Is istl mated tha batin tm on one season peason the product of Rt a pair air of flies amounts to eggs tj p y r |