Abstract: A traverse stop clamp is provided for restricting sweep of a machine gun mounted on a tripod. The stop clamp is installable on a traverse bar connecting to rear legs of the tripod, the traverse bar having an inverse U-shape cross-section that form edges at ends of the U-shape. The stop clamp includes an open ring member, a shift member, a handle, a spring pin and a locking nut. The open ring member has a C-shaped ring with an interrupted circumferential outer periphery and an inner periphery with channels for receiving the edges of the traverse bar. The outer periphery has first and second ring ends separated by an adjustable gap. The open ring member further includes first and second tabs disposed to extend radially outward from the first and second ends. These first and second tabs respectively have first and second through-holes. The shift member has a tang and a shaft at respectively first and second shifter ends. The receiver has a third through-hole, and the shaft has a threaded terminus.

Abstract: A traverse stop clamp is provided for restricting sweep of a machine gun mounted on a tripod. The stop clamp is installable on a traverse bar connecting to rear legs of the tripod, the traverse bar having an inverse U-shape cross-section that form edges at ends of the U-shape. The stop clamp includes an open ring member, a shift member, a handle, a spring pin and a locking nut. The open ring member has a C-shaped ring with an interrupted circumferential outer periphery and an inner periphery with channels for receiving the edges of the traverse bar. The outer periphery has first and second ring ends separated by an adjustable gap. The open ring member further includes first and second tabs disposed to extend radially outward from the first and second ends. These first and second tabs respectively have first and second through-holes. The shift member has a tang and a shaft at respectively first and second shifter ends. The receiver has a third through-hole, and the shaft has a threaded terminus.

Abstract: A measuring system is disclosed which detects and measures the volume concentration and mass flow of the airborne conductive particles, such as carbon-absorptive chaff particles. The measuring system can be used to estimate the effective conductivity of the detected airborne conductive particles. Further, if particles are not airborne, but are lying on a surface they may be made to become airborne by the vacuum source of the present invention and then detected by the measuring system of the present invention.