Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Testing of Hydraulic Drifters: Preliminary Information (booklet)
Full title - Testing of Hydraulic Drifters: Preliminary Information. Major Development Committee: Tunnelling. Information Bulletin No. TG/75/2. 4 page booklet in yellow covers.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/896
Creu/Cynhyrchu
11/1975
Rôl: publisher
Cyfnod:
11/1975
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 297
Lled
(mm): 208
Deunydd
cerdyn
papur
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.