Owens & Colburns' patent automatic glass blowing machine
"April, 1901"--Leaf .
Includes assignments of patents from Toledo Glass Co. to various other firms, a description of the machine, operating instructions, a list of related British patents, and images of the machine, molds and glass produced (mainly tumblers and lamp chimneys).
Digitized by Boston Photo Imaging May 2012.
"Mr. Chapman, write for [statement]"--Written in pencil at head of plate no. 1.