Sentence Examples with the word theodor schwann

The newer forms are based upon the principle, first enunciated by Professor Theodor Schwann in 1854, of carrying compressed oxygen instead of air, and returning the products of respiration through a regenerator containing absorptive media for carbonic acid and water, the purified current being returned to the mouth with an addition of fresh oxygen.

The work of Theodor Schwann (1810-1882), Johannes Muller (1809-1875), Rudolph Virchow and Karl Ludwig (1816-1895) in Germany, of R.