Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Switchgear Accessories Ltd., work records
Brown card folder containing four technical drawings (three on tracing paper and one a copy) of contacts
2000.173/51(1) : brown card folder with inscription (see inscription field) overriding old inscription in biro.
2000.173/51(2) : contacts catalogue (orange cover loose) bound by metal fasteners containing technical drawings, numbered 1 to 136, of contacts on tracing paper.
2000.173/51(3) : technical drawing on tracing paper No 137
2000.173/51(4) : technical drawing on tracing paper No 138
2000.173/51(5) : technical drawing DRG NO SA/292
2000.173/51(6) : technical drawing BS-6086
2000.173/51(7) : technical drawing (no dimensions or ref.) 2000.173/51(8-13) : envelope marked 'M.E.B 4 COPIES' containing five photocopies: two of d.c. contactors, circuit breaker contacts, and two photocopies of maintenance for circuit breaker contacts.