SEEING THROUGH THE ENVELOPES.
Here is a method of finding out what someone has written on a card placed in a sealed envelope. Ask your friends to write or draw something on small cards, seal them in envelopes"and return them to you. Placc the envelopes on a small table in front of you and touch each of them with your fingers. Although it is impossible for you to open the envelopes., you are able to read what is on each card.
When you touch the envelopes you dab tliem with a tiny sponge soaked in pure alcohol, which has the effect of making the envelopes temporarily transparent.
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Bibliographic details
Auckland Star, Volume LXIV, Issue 88, 15 April 1933, Page 3 (Supplement)
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107SEEING THROUGH THE ENVELOPES. Auckland Star, Volume LXIV, Issue 88, 15 April 1933, Page 3 (Supplement)
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Acknowledgements
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