Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
North's Navigation Collieries (1889) Ltd, vent. bk
Navy hardback book with maroon spine. North's Navigation Collieries (1889) Limited monthly records of ventilation. Dated January 1890 to December 1897. Collieries concerned : Coegnant No. 9, Park Slip, Wyndham, Maesteg Deep and Caerau.
Detailed desrciption of book in related material.
Pwnc
Diwydiant
Rhif yr Eitem
67.232/46
Mesuriadau
Meithder
(mm): 340
Lled
(mm): 245
Uchder
(mm): 90
Dosbarth
ventilationNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.