drawing Museum number 1951,0412.1 | Producer name BIOG17639 Drawn by:Col Ernest A Armstrong | Production date 1922
drawing Museum number 1951,0412.4 | Producer name BIOG17639 Drawn by:Col Ernest A Armstrong | Production date 1865-1955
drawing Museum number 1951,0412.2 | Producer name BIOG17639 Drawn by:Col Ernest A Armstrong | Production date 1865-1955
drawing Museum number 1951,0412.3 | Producer name BIOG17639 Drawn by:Col Ernest A Armstrong | Production date 1865-1955