Four case keys from the Earth driven electric clock, by Bentley Engineering Company Limited, 1914 Four case keys from the Earth driven electric clock by the Bentley 1914
Two rail keys, 1 sectioned, for Nigerian Railway BS 80lb flat-bottomed rail, with Crown Agents stamps Two rail keys
Two rail keys, 1 sectioned, for Nigerian Railway BS 60lb flat-bottomed rail, with Crown Agency stamps Two rail keys