Second Kind of Lever

| View Cart ⇗ | Info

“In the second order of levers, the resistance is between the fulcrum and the power; and, as before, P : W :: BF : AF, but the pressure of the fulcrum is equal to W-P, or the weight less the power."—Pettigrew, 1874




Rawson, W. W. Success in Market Gardening: A New Growers' Manual (Boston, MA: W.W. Rawson, 1892)


TIFF (full resolution)

2400×1427, 247.6 KiB

Large GIF

1024×608, 32.8 KiB

Medium GIF

640×380, 17.6 KiB

Small GIF

320×190, 6.9 KiB