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.
Description (Brief). This model of the Tom Thumb Locomotive was made by Bathe & Williams of Philadelphia, Pennsylvania in 1933. Greville Bathe was a machinist and steam engine hobbyist who would fashion his own parts to complete toy steam engines and models like this one.