A recording device for indicating (a) the flow of water in pipes, (b) the speed of boats (1909)
Baldwin, Frank Boyd, Hiveley, Oscar George · leaf 42
Leveroffn. at H-R. Plan of bra55 ca^e … Plan of ^4-inch diaphraqm. Data Sheet No. 2.Readings taken In the test on Diaphragm No.l, which isa copper, circular corrugated disk, two and one-fourth inch indiameter. A ball-hearing lever arm and an Ames extensometer wereused to measure the movement of the diaphragm.. Difference…
