The eight other days of the decade were consecrated to plants, &c. It
was difficult to find 288 useful plants, but by bringing in such as the
nettle, the dandelion (under its vulgar French name), strange plants
discovered in a herbal dictionary, together with the manure heap and a
few useful minerals, the saints were entirely replaced. To popularise
these substitutes for the _ci-devant_ saints an appendix to the
Decadaire or Annuaire (for the term Calendar was abolished as savouring
of superstition) gave popular information, in the crudest terms, on the
diseases for which the vegetables and herbs were recommended by the
scientific advisers of the Republic.
To complete this system, the circles of the globe, and all other
circles, were divided into 400 degrees, divided decimally. The day was
divided into 10 hours, of 100 decimal minutes, each of 100 decimal
seconds.
The republican division of the day was not generally put into practice
except in official documents, probably because the Jacobin leaders found
it personally inconvenient. Decreed as obligatory in Frimaire, an II, it
was suspended in Germinal, an III, yet that it was extant, if not in
force, up to 1800 is shown by a police-report of an occurrence on ‘21
Brumaire an VIII à 2 heures 10 minutes décimales,’ i.e. at 5 A.M.
The story of the means by which the unpopular republican measures were
enforced has not yet been told. Some idea of it may be guessed from a
remark of de Bonald (1817):
I believe that the same firmness, rigour, and lavish
expenditure, used to establish, or rather to try and establish,
uniformity of weights and measures, would have been sufficient
to establish uniformity of religion.
If in a country which had experienced Louis XIV’s system for
establishing uniformity of religion, this could be said of the means by
which the republican weights and measures were enforced, it is evident
that the new system met with anything but the welcome usually supposed.
But a man had arisen who delivered France, for a time at least, from the
more objectionable parts of the republican measures, and the good he
effected in this way had doubtless much to do with his popularity. From
the time of his Consulate, at the end of 1799, the rigour of the system
was gradually relaxed. His contempt for the mathematician-advisers of
the Republic, whom he had found to be incapable in public business, was
probably brought to a climax by the following event.
The ordnance survey-maps of France were on Cassini’s scale of 1/86,400,
i.e. 1 line to 100 toises (which is the proportion of the second to the
mean day). A new map having been made on the metric scale of 1/100,000,
Napoleon soon found this out, and ordered the map to be restored to the
old scale.
‘Je la veux sur l’échelle de Cassini, et je me moque des divisions
décimales’ (letter to the Minister of War, 1809).
Public-domain text, read in full here on John Shaqi.
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