Page:Tactics (Balck 1915).djvu/159

 2. THE EFFECT OF "S" BULLETS ON MATERIALS.

The following thicknesses of dry pine are pierced by the "S" bullet (rifle model '98) at the ranges given:

60 cm    at   100  m. 80 cm     at   400  m. 35 cm     at   800  m. 10 cm     at  1800  m.

In sand and earth the penetration of the "S" bullet amounts to 90 cm. According to experiments, 3 mm. steel plates were pierced at 350 m., while hay stacks afforded protection when 4 m. thick; when of less thickness, the latter caused bullets to tumble. Embankments of frozen snow 1 m. thick, of packed snow 2 m. thick, and of loose snow 3 m. thick, were not pierced even at 250 m.