Refrigerating plants of motor ship " SETTU MARU " By Tanehiko Oka, Icogakushi, Member At the beginning of this report the author briefly touches the particulars of this vessel, and then describes some speacial arrangements, constructions, and equipments. Detailed descriptions of refrigerating plants, quick freezing plants, and refrigerated cargo space are, shown in tables. After rough description on the dealing operation with whale meat, meat cutter, meat conveyor, quick freezing room

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... on, cargo space insulation and refrigerating machinery space are explained according to the analysis of cooling test of insulated holds, 55% allowance for heat penetration is recorded.