This information was taken from"The Rochester Optical Company," http://www.nwmangum.com/Kodak/Rochester.html#The%20Rochester%20Optical%20Company (accessed 06/22/2015)
Excerpt from a brief company history: "Rochester Optical Company History," History Librarium, http://www.historiccamera.com/cgi-bin/librarium/pm.cgi?action=display&login=rocco (accessed 06/22/2015)