I wonder if anyone could enlighten me as to the meaning of the letters within the inverted triangles on RAD implements and materials? It seems that some pieces (RAD daggers, for instance) include the inverted triangle with RADJ within, while other pieces (RAD pole tops, for example) have the inverted triangle with RADL within, on the reverse pole sleeve. The Angolia/Littlejohn book on labor organizations defines these triangles as "control marks," but with no further distinction between them. Can anyone please teach me about the meaning of these different sets of letters within RAD triangles?
Much appreciated indeed,
Br. James
Much appreciated indeed,
Br. James
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