Soap Bubbles
and the Forces which Mould Them
Forfatter: F. R. S., A. R. S. M., C. V. Boys
År: 1890
Serie: Romance of Science Series
Sted: London
Sider: 178
UDK: 532
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THE FORCES WHICH MOULD THEM.
93
into two or three and sometimes many more
distinct lines, as though it came out of as many
tubes of different sizes and pointing in slightly
different directions (Fig. 43). The effect of
different notes could be very easily shown if
any one were to sing to the piece of wood by
Fig- 43-
which the jet is held. I can make noises of
different pitches, which for this purpose are
perhaps better than musical notes, and you
can see that with every new noise the fountain
puts on a different appearance. You may well