Behelfs-Schützenmine S. 150: Antipersonnel Mine

Behelfs-Schützenmine S. 150: Antipersonnel Mine

The German Behelfs-Schutzenmine S. 150, known to allied troops in the field as the “Pot Mine,” “Picric Pot,” “Mustard Pot,” or “Jerry Mine,” consists of a cylindrical body, a top plate, and a crush igniter.

The body, which is made of pressed steel, contains a 5 1/4 oz. explosive charge of powdered picric acid. A chemical crush-actuated igniter is screwed into the mine by means of a brass or plastic adapter which fits into the top of the body. A synthetic rubber washer is provided between igniter and adapter for waterproofing the mine. The igniter, known as the German Buck Igniter (Chemischer Zünder Buck) consists of a thin metal drum with circumferential grooves to reduce its resistance against vertical pressure. It contains a glass ampule half filled with acid and surrounded by a white powdered flash composition. A small brass detonator (German Nr. 8) is inserted into the detonator pocket.

A moderate pressure on the top of the igniter crushes the metal drum and the glass inside it. The acid pours into the white powder, and a flash resulting from their chemical interaction sets off the detonator which in turn sets off the mine.


Height of body         2 ins.
Diameter of body 2 1/2 ins.
Diameter of top plate 3 ins.
Height of igniter 1 1/2 ins.
Diameter of igniter 3/4 in.
Depth of detonator pocket 1 1/2 ins.
Total weight 12 1/2 ozs.
Weight of igniter with adapter 1 oz.
Explosive charge Powered picric acid (5 1/4 oz. approx.)
Color Mustard brown

German: p. 304.7

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