Generalised UK Army rank 1890 to present, including majority of Commonwealth nations, largely unchanged today. Single chevron = Lance Corporal not private First Class. Some elite Regiments have Lance Sergents and Staff Corporals.
These are the typical British uniforms used in I will use these uniforms, materials and colour schemes as a basis for my characters, before adding the different elements of Steampunk, Cyberpunk and Dieselpunk.
World War II- SS Black Uniforms of Nazi German Waffen SS Officer Uniform.This black coat is made of wool. It has a red armband bearing the swastika, rank tabs on the collar, and silver shoulder boards worn by high ranking officers.