The Photostat machine, or Photostat, was an early projection photocopier created in the 1900s by the Photostat Corporation; "Photostat" which was originally a trademark of the companyis also used to refer to the similar machines produced by the Rectigraph Company.
The Photostat machine, or Photostat, was an early projection photocopier created in the 1900s by the Commercial Camera Company, which became the Photostat Corporation. The "Photostat" name, which was originally a trademark of the company, became genericized, and was often used to refer to similar machines produced by the Rectigraph Company.