553.
Back of panel wiring diagram for J. Gillekens Esq. for Lisbon power station / George Kent Ltd Biscot Rd Works Luton
Data:
04/04/1940
554.
Edgewise draught gauge. General arrangement of mercurial & oil bell elements, arranged for indicating pressure / George Kent Ltd Biscot Rd. Works Luton
Data:
04/11/1938