INVISIBLE WRITING.
(Sent in by Jessie Mettle, Astley Avenue, New Lynn; age 10.) Do you know how to do invisible writing ? It's really quite easy and you don't, need any chemicals for it either. All you require is a very clean bottle and some fresh milk. Put the milk in the bottle and write with this just as you would with ink, being very generous with your supply of milk. Make suro that the mOk writes as ink would do. When the milk writing is quite dry it will be invisible, but you can soon make it appear by holding it near the fire or a light. Not too near, but just near enough for the paper to feel the heat. The writing will then appear a light brown colour and be quite easy to read.
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https://paperspast.natlib.govt.nz/newspapers/AS19321008.2.180.13.6
Bibliographic details
Auckland Star, Volume LXIII, Issue 239, 8 October 1932, Page 3 (Supplement)
Word Count
136INVISIBLE WRITING. Auckland Star, Volume LXIII, Issue 239, 8 October 1932, Page 3 (Supplement)
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