PART I
I A PATHWAY OF CEMENT
II BUILDING OF A BOAT HOUSE
III BRIDGE AND BOAT WORK
IV MAKING A GASOLENE LAUNCH
V A TALK ABOUT ENGINES
VI PROPELLER AND OTHER SCREWS
VII AEROPLANES
VIII KITES, SUNDIALS, PATENTS
IX TIDES
X WALL MAKING AND PLUMBING
PART II EVERYDAY MACHINES
I SOME PRACTICAL ADVICE
II MECHANICAL MOVEMENTS
III THE WEATHER AND INDOOR WORK
IV MOTORS AND TYPE-WRITERS
