Origin of printing frame
Examples from the Web for printing frame
Generally a lever press is so made that the printing-frame can be raised or lowered according to the thickness of the stone.
It is far better to have a printing-frame that is so fixed that it will never shift its position in the slightest degree.
The printing-frame must have a clear glass which just fits it.
Above the cylinder is a board on which is fastened the stone with the printing-frame.
No vestige of an outline appeared on removal from the printing-frame.The Evolution of Photography |John Werge