April 14 – William Bullock is granted a United States patent for improvements to the rotary printing press to use a continuous web or roll of paper to be printed on both sides, the first machine designed especially for curved stereotype plates.[9]
^Das Protoplasma der Rhizopoden und der Pflanzenzellen; ein Beiträg zur Theorie der Zelle.
^Boissier, Pierre (1985). History of the International Committee of the Red Cross. Volume I: From Solferino to Tsushima. Geneva: Henry Dunant Institute. ISBN2-88044-012-2.
^ abEverett, Jason M., ed. (2006). "1863". The People's Chronology. Thomson Gale.
^In a public lecture, "On Radiation Through The Earth's Atmosphere", reprinted in his book Contributions to Molecular Physics in the Domain of Radiant Heat (1872).
^Reynolds, Moira Davison (2004). American Women Scientists: 23 Inspiring Biographies, 1900-2000. Jefferson NC: McFarland. p. 18. ISBN978-0-78642-161-9.