One of these outfits will help you to understand a great many facts
about light. You can perform a number of experiments which explain the
laws of light. Learn about the movie machine, the telescope and other
optical instruments. There’s a big book on Light with each set, it’s a
handy size, just right to put in your pocket.
From this book and your set you’ll get a knowledge of light that will
be helpful to you always. It’s great fun too, the kind you like. The
outfit is complete with prisms, mirrors and all the apparatus you’ll
need to perform the experiments.
_Ask your dealer to show you this new Gilbert toy._
_If he hasn’t it write_