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MESSRS. SCHNEIDER
AND CO’.S WORKS.
rod is joined to the front and to the rear of the slide.
The slide consists of two I-beams, stayed together in front
and in the rear. The slide is fitted, in a line with the
mounting trunnions, with a strengthening piece forming a
The bedplate and the rear segment are of cast iron,
and rest on oak beams imbedded in the foundation.
The gun is elevated from the front of the mounting
by means of a transverse shaft, which works a toothed
Fig. 873. 30-Centimetre Muzzle-Loading Mortar and Coast-Defence Mounting.
transom. In the rear there is a stay-plate, with two
supporting rollers for the mounting trail. The slide is
built up of steel plates and angles. The mounting and
slide rest in front on a Ledplate, and in the rear on a
circular segment with the interposition of conec! rollers.
sector keyed on the left-hand trunnion of the mortar. It is
trained from the rear of the slide ; a transverse shaft works
the pinion which engages the rack of the circular sector,
through conical and cylindrical toothed wheels. On the slide
is fitted a crâne for serving the mortar with ammunition.