85 Years Ago: Machine Design’s First Year (.PDF Download)

A September 1929 article titled “Photo Cell in Sorting Machine Excels Human Eye” by Lester Ferenci describes how a cigar-sorting apparatus benefits from using a photo cell to sort stogies by color. The article starts with a prophetic statement: “More and more is... 

Register or Sign in below to downloa

Register to view the full article

By registering on Machine Design now you’ll not only gain access to premium content, you’ll also become part of a robust engineering community – PLUS - you gain access to the 2016 Salary & Career Report results.
Joining the Machine Design community also allows you to:
Become a member of an exclusive group of Engineers
Share your insights by commenting on articles and blogs
Network with Engineers from around the globe and much more