| Show How Flow to See the Wind I i Choose e for the Ir trial al a 1 windy day when t the hI nil nir its Is free fr from n I in rain or now snow Take f ilc bright in handsaw m II or other poll polluted polished metal object about two feet et In length and having II a ht edge i Hoil HOll the taw HW or metallic me me- surface at right angles to the direction of the wind Incline it at fit about 3 33 i or 01 40 lei lp rots lIP to 10 the horizon und wit I the hark hack up tip so 0 that the lie InO mp jug air in striking striking- the surface 1 will glance upward and flow over o the edge of the metal ac n as writer water flows over oyer a t dam clam Sight c al along aloni the edge d p por of or the fill metal it a 1 sharply defined object ob jeet md nd ill yon von will ill sr I of the flip wind or air all airwaves v waves pouring over o the flie edge In graceful grace grace- graceful ful c carves |
