[ Ref. Felix Klempka in 110731 MMDigest --

Hi,  It appears that the Wood and Brooks Company survived until
about 1966.  Someone apparently donated the company records to the
Smithsonian.  Here is the record from their web site if you are in
for a trip to Washington.

Regards,
Craig Smith

 - - -

Wood and Brooks Company Records, 1925-1966.

Creator: Wood & Brooks Company (creator).
Title: Wood and Brooks Company Records, 1925-1966.
Phy. Description: 0.5 cu. ft. : 6 boxes.
Bio / His Notes: Piano key and piano action manufacturers,
  North Tonawanda, New York.
Scope and Content: Archival records of the firm, including action
  specification sheets and a 1959 report on pressed felt specifications.
Organization: 1 series.
Cite as: Wood and Brooks Company Records, 1925-1966, Archives Center,
  National Museum of American History.
Restrictions: Unrestricted research access on site by appointment.
  Fees for commercial reproduction. Reproduction restricted due to
  copyright or trademark.
Subject-Topical: Keyboard instruments, Piano
Repository Loc: Smithsonian Institution, National Museum of American
  History : Archives Center. P.O. Box 37012, Suite 1100, MRC 601,
  Constitution Ave., between 12th and 14th Sts., N.W., Washington, D.C.
  20013-7012. Call 202-633-3270 for appointment. Fax: 202-786-2453.
Local Number: 1994.3031 (NMAH Acc.)