...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 6868707 | Rolling method for strip rolling mill and strip rolling equipment A strip rolling mill includes a pair of upper and lower work rolls for rolling a strip, intermediate rolls for supporting each of the paired work rolls, and back-up rolls for supporting each of the intermediate rolls. Each of the work rolls is provided with a tapere... | 03/22/2005 |
| 6604663 | Control method of hydraulic pinch roll and control unit thereof A control unit of hydraulic pinch rolls 1 comprises: position detectors 10c, 10d that detect position of right and left cylinder pistons 6c; an arithmetical unit 13 that calculates a difference of output 16c, 16d from the position detectors; a controller ... | 08/12/2003 |
| 6220068 | Process and device for reducing the edge drop of a laminated strip The invention relates to a method for reducing the edge drop of a rolled strip in a roll train having one or more roll stands, at least one roll stand having actuators for reducing the edge drop, which are set as a function of the edge drop of the rolled ... | 04/24/2001 |
| 5231858 | Method of controlling edge drop in cold rolling of steel A method for controlling edge drop in a cold rolling operation adaptable to tandem cold rolling mill stands by shifting a pair of vertically disposed single-end-tapered work rolls along the widthwise direction of a steel strip. The work rolls have tapered... | 08/03/1993 |
| 5024074 | Apparatus and method for selectively forming a thickened edge on a plate of formable material In conventional fabrication manufacture the thickness of the steel plates are often determined by the metal section required at the weld joints. The subject apparatus and method overcomes this problem by selectively forming a thickened edge along the edge... | 06/18/1991 |