So green doesn't always contain yellow. A book could be written with all the knowledge from this forum.

Quote Originally Posted by Photo Engineer View Post
You also have to remember that the German chemists came up with very "non technical" descriptions for their sensitization which we in the US called by name as short and long red for example, replacing the qualitative names assigned by the Germans. This was probably advertizing, as usually, the US companies didn't mention sensitization except in technical articles.
Advertizing perhaps, or words invented by writers to simplify things. After all, "ortho-" and "panchromatic" are also words that were invented to fit the sensitizations. Trivial names are often convenient. "Metol" isn't a very good technical description, but is easier to use than... Darn, I can't remember.

The word "Pan-" was registered to AGFA until 1937.

Another name for "super-panchromatic" is "ultra-panchromatic":

(Das Rolleiflex Buch, 1938)