120 Correspondence of J. Nickles. 
by the electric wire. e horseman then made the lance fast by m 
of two guys fixed to it, and fastened to the earth with two stakes. The 
it to make half a turn so that the head of the lance should be encircled 
ean: 
point of departure to the point of destination. In case of obstacles to 
the carriages, resulting from irregularities of the ground, each horseman 
- charged with the duty of planting a lance, carries it in his hand and at 
the stirrup as practiced in the regiments of lancers. 
Military Photography.—The Minister of War always interested in the 
aid which the art of destruction may draw from scientific discoveries 
decided, some months since, that in each corps d’ Armée there should be 
an officer skilled in photography. In every campaign he is to follow the 
expeditionary corps. To this officer are assigned two subordinates, in the 
capacity of photographic aids, and six soldiers are detailed to serve a8 
assistants. The apparatus employed is necessarily limited, consisting of 
objectives adapted to long distances, and which can be easily packed in 
a single wagon. 
they collect each year 25000 kilograms of the ablette, producing 600 
kilograms of scales, worth 25000 francs ; all this is employed exclusively 
evoted any attention to that point. Mr. Barreswil, has however ser 
of 
