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Koala imposed on a gum leaf, with some Sturt Desert Peas. Go...
Handwritten message on reverse reads 'To dear Clarry / with Aunt Charlotte's / love / Xmas 1918.'
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Esbach albuminometer in wooden tube with cork
This simple device was invented by Dr Georges Hubert Esbach, a French physician, in 1874. The test tube, with graduated ...
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