WW1HeavyPrototypePrototypeUnited Kingdom

Mother (HMLS Centipede)

In service 1916 - 1916

Also known asBig Willie, Wilson Machine

The rhomboid prototype from which the Mark I tank was derived.

Built byWilliam Foster & Co., Lincoln

Photograph pending. No clearly licensed photograph of this vehicle was found.

Development history

Designed by William Tritton and Walter Wilson after Little Willie, Mother was demonstrated at Hatfield Park in early 1916; its success led directly to the first production order for Mark I tanks.