  Materials Required:— Two pieces of wood as above, also two larger round sticks, such as are used to roll paper upon, a cork, two long nails, a piece of thin tin or cardboard for the tail. Fig. 57. This windmill is made of two propellers cut like Figure 56, but with the bevelling of the blades of one reversed so that it will turn in the opposite direction. A piece of wood or cork or a bead may be put between |
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