Foro de Filatelia Argentina

The 0.20 stamp was printed in Paris by the "Imprimerie de Timbres-Poste" during the years 1966-1968, and after the transfer of that printing house to Périgueux, during the years 1970-78. Printed on a reel-fed photogravure printing press of Chambon, the first to be used by this printer debo...

The aim of Pierre Marion's leaflet is to show - using blocks of 4 of dated corners - all the different blue cylinders and by using the red register bar on the right hand margin to show the different red cylinders.

http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_c40_g45_11.jpg What has changed [?] is that gold has a traditional cross-raster; blue unchanged... http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_m40_s50-30_11.jpg Red does not really show its screen, but silver is rhombic w...

In photogravure there is no double printing, just the flowing of the ink - sometimes heavily - into the direction of printing!

See my thread under:

http://foro.filateliaargentina.org/view ... 137&t=9790

http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_c45_g45_31.jpg http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_m45_s45_31.jpg All cylinders with a cross screen! Blue with a fine screen of 125 lines/cm.... Probably this is type II with cylinders prepared by Périgueux themse...

Blue and red still rhombic with an angle of 40 degrees, gold and silver 45 ...

With 3 phosphor bands:







All 4 colours with screen angles of 40 degrees!

http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_c40_g45_11.jpg What has changed [?] is that gold has a traditional cross-raster; blue unchanged... http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_m40_s50-30_11.jpg Red does not really show its screen, but silver is rhombic w...

http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_c40_g40_11.jpg Both blue and gold have rhombic screen dots under angle of 40 degrees! Just as we see after the introduction of EME in 1982! http://www.galeoptix.nl/fila/france/thumbs/france_1966_st_lo_m40_s40_11.jpg Red and silver also ha...

The first printings made between 1966 and 1968 were done with photogravure cylinders prepared by the "private industry" as they say instead of made/prepared by the Printing House itself in Paris. The printing house at Boulevard Brune in Paris had just started printing in photogravure on th...

A simple French definitive stamp Still has some loose ends when it goes for the research on how it was printed, which material had been used etc. The French collectors have published a nice leaflet years ago but rather stuck to the particular prints on the sheet margins than examined the stamps them...

In alle Ruhe diskutieren zu können über drucktechnische und andere interessante Aspekten der Philatelie.

Bitte sich melden!

Patent https://www.google.ch/patents/US632322 MULTlCOLOR-PRINTING PRESS. SPECIFICATION forming part of Letters Patent No. 632,322, dated September 5, 1899. Application filed June 3, 1897. Serial No. 639,200. (No model.) To In whom, it may concern: Be it known that I, IVAN ORLOFF, a subject of the Em...

etc....