There isn't much material available unless you go to one of the major U.S. libraries, a few of which have an 18-page catalog with prices.
The "style" of this pool table is commonly referred to as the "Narragansett" style (the actual model name of Brunswick's version of this style of pool table). The Sandford, Bell & Lahm version of this style pool table was, I believe, called "The Brooklyn Bridge". (I found this reference on the website of Albany NY's Bankshot Antiques - if anyone would know, it's these guys).
Here's a restored Sandford, Bell & Lahm "Brooklyn Bridge" pool table:
We were also able to find a good deal of info on the company itself:
Founders of Sandford, Bell & Lahm pool tables (as recorded in a 1909 company directory):
- Mark E. Sandford
- Arthur G. Bell
- Peter Lahm
Here's a New York Herald newspaper ad for Sanford, Bell & Lahm from 1912:
I did find that they were, circa Feb 1912, owned (in part or in whole) by the J.M. Brunswick Balke Collender Company. Here's a document from Brunswick's archives showing the ownership by Brunswick executives.
And here's an ad from 1907-1908 YMCA year book: