Transactions Society Naval Architects and Marine Engineers, Vol. 24, 1916. Plate 75. 
To illustrate paper on “Refrigeration and Refrigerator Insulation on Board Ship,” 
by Robert F. Massa, Esq. 
Special cement 
Sheect cork 
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Erds pointed with asphaltic cement 
and reqronviated cork 
Aspraltr 
Shreer cork 
Cement or asphalt finish 
: THE NORRIS PETERS CO. WASHINGTON, 0 
