The Holt Spark Arrester and the Donaldson Air Cleanser, showing method of attachment of the latter. Shows the "oven" or heating point for air before it is cleansed
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Description
Location: close study Identification: exact ground location unclear, appears unknowable No people present in picture
Type
image
Identifier
fritz_metcalf-171
Subject
Tractors Fire prevention - Spark arresters Engines Fire prevention Unknown
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