Here is the answer I received from Brunswick:
----- Original Message -----
From: <joan.ledanski@brunswickbilliards.com>
To: <mjlisak@wctc.net>
Sent: Sunday, April 29, 2007 11:11 AM
Subject: Brunswick Billiards
> The numbers on antique table were used primarily to keep the pieces of
> specific individual tables together during the manufacturing process.
>
>
>
> Joan Ledanski
> Administrative Projects Manager
> Brunswick Billiards