Sopwith Pup - Mk. IVA (or Mk. V) Pitot head (fitted to most 1st WW British a/c)* Sopwith Pup - Mk. IVA (or Mk. V) Pitot head (fitted to most 1st WW British a/c)*
Sopwith Pup - Mk. IVA (or Mk. V) Pitot head (fitted to most 1st WW British a/c)*