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Hop-scotch to hare-and-hounds, conjuring to chemistry, rabbits to rowing — the complete Victorian repertoire of things for a boy to do, set down with rules and diagrams.

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The Invisible Coin Made Visible

If a coin be placed in a basin, so that on standing at a certain distance it be just hid from the eye of an observer by the rim or edge of the basin, and then water be poured in by a second person, the first keeping his position; as the water rises the coin will become visible, and will appear to have moved from the side to the middle of the basin.

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