Folded signalling plan in green binding, Hammersmith & City line, issued by Metropolitan Railway, 1924.

• Physical description

  Dimensions

  Attribute	Value
  Height	172mm
  Width	117mm
  Scale	1:2880

• People involved

  Role	Person(s) involved
  Architect	,

• Associated companies, people and places

  Company

  Attribute	Value
  Company	Metropolitan Railway,
  Line	Metropolitan,