Well alright, other than Danny, Geriaviator, Wander00, and MPN11, when was the last time anyone else saw a Chinagraph pencil?
Anyway, real men whittled their Chinagraphs, unlike those girls lipstick ones illustrated above! Not having any left (all presumably whittled down to the last half inch), I can only reply with the following which might assist those left, like me, with a Douglas Protractor but having forgotten all the many and varied ways it could be used:-
Impress your friends with these long forgotten procedures at your local tonight. It is bound to lead you on to anecdotes about your interesting and varied careers. Just think how fascinated they will be! Why, it reminds me of the time when...
Coming soon, how to upgrade your Dalton Computer with increased speed and ROM!