Holograms of Innovations & Patents
Calender 1997 with Holograms of Innovations
1997 Crown Roll Leaf. Inc. Calender 30×46 cm and an embossed hologram 15×15 cm
Crown Roll Leaf. Inc produced a very nice Calender 1997 with several important Patents & Innovations by using embossed holography. The Calender is in a perfect condition since it has never been exposed at any of our Hologram Exhibtions.
Here you can see three historical events in December 1903, January 1949 and February 1946.
The first powered flight by Wright Brothers took place on Dec 17, 1903
The first powered flight by Wright Brothers took place on Dec 17, 1903 December 1996
On January 18, 1949 the first TV set to appear at Sears & Roebuck´s mail order catalogue was offered for 149.95 U.S. dollars
The first electronic digital computer was developed on Feb 15, 1946