Hot Air Egg. Blow the egg. Plug the hole at the little end with a dot of wax, enlarge the big end hole to admit a flame and voilà, up she rises, bobs against the ceiling.
Activities at Massey College, December 1951
Reference Number: 114/408/16-F
Hot Air Egg. Blow the egg. Plug the hole at the little end with a dot of wax, enlarge the big end hole to admit a flame and voilà, up she rises, bobs against the ceiling.
Activities at Massey College, December 1951
Reference Number: 114/408/16-F
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