An illustration of a 40 pound mortar stick bomb shell. The shell have three wings, or vanes, around…
An illustration of an early 99 lb. stick bomb used in a mortar. This bomb had vanes, or wings, around…
A plan of the Mark I Tank with the interior moving mechanical parts labeled. The tank was used during…
A side view of the Mark IV Tank showing the interior mechanical components. The tank went into production…
The top interior view of the Mark IV Tank showing the belt drive and other mechanical parts to move…
A plan illustrating the interior side view of Medium Mark A tank. The plan shows a detailed schematic…