They hold classes and carry out field demonstrations and experiments, the results of which are duly published in the department's journal.
In October 1900 Dr Manuel Campos Salles, president of Brazil, paid a visit to Buenos Aires, and was received with great demonstrations of friendliness.
In the second of these notices he gives the general formulae without demonstrations.
For twelve years these committees had remained comparatively inactive, but in 1878 the presence of the ex-Garibaldian Cairoli at the head of the government, and popular dissatisfaction at the spread of Austrian sway on the Adriatic, encouraged them to begin a series of noisy demonstrations.
On the 26th of that month the nomination of Prince George of Greece as high commissioner of the powers in Crete for a period of three years (renewed in 1901) was formally announced, and on the 21st of December the prince landed at Suda and made his public entry into Canea amid enthusiastic demonstrations.