Hi all,
Does anyone know what this ruler was used for, specifically? It is too large for a standard map case. Not for feield use? Made by Wichmann - a common maker of many types of rulers and templates. Nice thick aluminum with beveled edges.
Thanks, SF Mike
Does anyone know what this ruler was used for, specifically? It is too large for a standard map case. Not for feield use? Made by Wichmann - a common maker of many types of rulers and templates. Nice thick aluminum with beveled edges.
Thanks, SF Mike
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