As a publication, OPCS-4 is split into two volumes; a tabular list (Volume I) and an alphabetical index (Volume II). An electronic version is also available. However, a number of supplementary publications are also used by coding staff.
The prize was claimed in 1864 by Louis Pasteur, as he published the results of an experiment he did to disproved spontaneous generation in these microscopic organisms. 1  Observation(s): From Needham s and Spallanzani s experiments, it was known that soup that was exposed to the air spoiled bacteria grew in it.
Invented in 1892 by Sir James Dewar, a scientist at Oxford University, the vacuum flask was not manufactured for commercial use until 1904, when two German glass blowers, Reinhold Burger and Albert Aschenbrenner, formed Thermos GmbH.