"Railroad Board - Heavy board paper used for posters and signs."
Although no explanation is given for its genesis, I would assume that
the board was developed or adopted for posting train schedules or
perhaps for advertisements on the sides of trains (circus, etc.)?
Just a shot in the dark...
Lawrence A. Parker
Philosopher and Educational Consultant
> -----Original Message-----
> From: Fields, Linda [mailto:firstname.lastname@example.org]
> Sent: Monday, March 17, 2003 9:49 AM
> To: ArtsEdNet Talk
> Subject: railroad board
> A science teacher came to me this morning and asked, "Why is
> railroad board called railroad board?" I told him I honestly
> didn't know, but I knew whom to ask. So-why is it called
> "railroad board?" Thanks. Linda in NC