Davy Postle read a paper before the Royal Society of Victoria, suggesting the conveyance of meat on board ship in a frozen state by means of refrigerated air, and in 1869 he showed by experiment how it could be done; but his apparatus was not commercially developed.
7 shows an arrangement of cold storage on land, refrigerated on the air circulation system.
The holds of meat-carrying vessels are refrigerated either by cold air circulation or by brine pipes.
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