The Movable-type Printing Press.
The name of the German printer and publisher was Johannes Gutenberg (c.1398-1468). His full name was Johannes Gensfleisch zur Laden zum Gutenberg.
It is c/60 hours or c/1440 days.
Johann F. C. Hessel was born in 1796.
Johann F. C. Hessel died in 1872.
Johann C. K. H. Riedel has written: 'Conceptualizations of scientific research'
B,c he was in da country Gutenberg was German. There is no evidence that he had any interest in English. [This first answer should be excised.]
Johann Hummel has written: 'Mass in C' 'Sonatas and Pieces'
John C
Johann C. De Wet has written: 'Evaluation of public speaking' -- subject(s): Public speaking
K
C. Monnoyer has written: 'Recherches sur les origines de l'imprimerie avant Gutenberg'
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