Harper's Outdoor Book for Boys

by Joseph H. Adams

Windmills, [59]-[80];

wind turbine, [71]-[73];

pumping, [73]-[77];

tower, [78]-[80].

Wind-pennant, a, [66], [67].

Wind-runner, a, how to make, [259], [260].

Wind-sails, [115], [116], [117], [118].

Wind-speeder, a, [62], [63].

Wind turbine, a, [71]-[73].

Woodchucks, how to trap, [346].