The Crewson pneumatic gong ringer
By: the Dayton Manufacturing Company
Publisher: The Company
Published: 1913
Place of publication: Dayton, Ohio
Language: eng
Other titles: Trade catalogues (NLC), Industrial equipment and supplies; Catalogues commerciaux (BNC), équipement et articles industriels
Notes: A corporate body and subject index for this collection, and other trade catalogues, is located in the National Archives Reading Room.

"Bulletin no. 169."