Abstract: The apparatus for analyzing particles in a particle containing fluid, especially pretreated liquids containing blood samples, contains storage devices and computing sections for determining separation threshold values and the particle distribution as a function of a pretermined particle parameter. The separation threshold values are determined on the basis of measured values of the predetermined particle parameter arranged in individual histograms containing at least two particle population maxima and minima. At least one particle population minimum is determined using an adaptive method. For insufficiently distinct particle population minima, there is first determined, on the basis of histograms containing corresponding distinct particle population minima and maxima, a characteristic difference quotient: ##EQU1## The separation threshold value associated with the insufficiently distinct particle population minimum is determined on the basis of the characteristic difference quotient according to:S.sub.

Abstract: A marine firing or weapon system is disclosed for fighting rapidly moving targets in zenith and possesses an azimuth or lateral alignment axis which is inclined through about 35.degree.. The ammunition infeed is accomplished from four stationary drum magazines rotatable about vertical axes. The drum magazines are located below the weapon. Since the belted ammunition, owing to the inclined azimuth alignment or aiming axis is infed along a bent, central, column which is vertical or upright at its lower region, there is required lengthwise compensation of the belted ammunition during azimuth alignment or aiming of the weapon. The weapon barrels are cooled. Because of the inclined azimuth alignment axis the minimum elevation is limited by an adjustable stop or impact member. The drum magazines possess compartments each of which contain a respective loop of the cartridge belt.