drawing triangle
... that entry to the British Royal Military Academy required the use of a drawing triangle with a completely different purpose from those used today?
... that entry to the British Royal Military Academy required the use of a <b id="mwBsM"><a href="./Marquois_scales" id="mwBsQ" rel="mw:WikiLink" title="Marquois scales">drawing triangle</a></b> <i id="mwBsU">(examples pictured)</i> with a completely different purpose from those used today?