Mae casgliad yr ‘Ocean and National Magazine’ yn adnodd anhygoel ar gyfer darganfod sut fath o fywyd oedd gan bobl a oedd yn byw ym maes glo De Cymru yn y 1920au a’r 1930au. Wedi ei gyhoeddi gan yr ‘Ocean Coal Company Ltd’ a’r ‘United National Collieries Ltd’, gyda chyfraniadau gan ac ar ran y gweithlu, mae’r gyfres gylchgrawn hon yn cynnwys amrywiaeth eang o erthyglau ar y diwydiant glo a’i hanes, gan gynnwys cysylltiadau diwydiannol, gweithwyr, technoleg, digwyddiadau diwylliannol a chwaraeon. Mae Andrew Booth, un o’n gwirfoddolwyr, yn ddiweddar wedi cwblhau mynegeio’r casgliad gwych hwn. Dyma’r pumed mewn cyfres o erthyglau blog lle mae Andrew yn tynnu sylw at storïau o gylchgronau’r ‘Ocean and National Magazine’.
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Clawr, Mehefin 1932, D1400/9/5/5
Gyda nifer o erthyglau a chyfraniadau yn rhoi sylw i staff Ocean Coal ac United National, roedd y cylchgronau yn berthnasol i’r darllenwyr. Ym 1932, dechreuodd y cylchgrawn gynnwys disgrifiadau cryptig o staff ei swyddfeydd yng Nghaerdydd. Ni chynigiwyd gwobrau am ddyfalu’r posau ac ni chafodd y bobl yma eu henwi ar unrhyw adeg. Ceir detholiad o’r posau hwyliog hyn isod:
Rhif 1, Mehefin 1932:
He served in the senior service during the war and came out none the worse for his experiences. Probably as a result of this service he is said to be as good a yachtsman as we have amongst us. We have two on the Staff.

Personoliaethau Swyddfa Caerdydd, Rhif 1, Without Malice Afterthought, D1400/9/5/5, t.184
Rhif 2, Gorffennaf 1932:
This is a side of him which few people know, but during most dinner hours in winter he may be seen cycling up Bute Road, en route for the public library, and we understand that his part – although a small one – in a recent amateur dramatic performance in his own town was admirably done. Knowing him as the possessor of a charming light tenor voice, this does not surprise us in the least.
Rhif 3, Awst 1932:
Holding a responsible position on the Staff, he rather gives the impression of thinking that this is a job in which he has been specially called by Providence, much as a man feels the call of the Church, and, indeed, in so far as it provides ample scope for a display of genuine tact and politeness to all, Providence could not have made a wiser choice. All who remember the Montgomeryshire Hospitals’ Fete at Llandinam a few years ago will realise how these latter qualities were then brought into prominent relief.

Pennawd newyddion o’r rhanbarthau, D1400/9/5/5, t.203. Byddai pob rhifyn o’r Ocean and National magazine yn cynnwys newyddion o lofeydd unigol, o dan y pennawd ‘News from the Districts’
Rhif 4, Hydref 1932:
Far from being a moody individual in the accepted sense of the term, nevertheless his mood is apt to change so quickly that he presents somewhat of an enigma to many and possibly lays himself open to a certain amount of misunderstanding and misjudgement.
Rhif 5, Tachwedd 1932:
His reputation here, although not sought exactly ‘in the canon’s mouth’, was nevertheless considerable, for thanks to his experience as a chorister he was called upon to take an active part in concert party and similar work behind the line. Our Treorchy friends who still cherish happy memories of ‘Captain Mack’, can well imagine that the morale of the troops in the Salonika area was kept well up to scratch.

Tudalen o’r cylchgrawn yn dangos rhai o’r themâu o fewn y cylchgronau, D1400-9-5-8
Rhif 6, Rhagfyr 1932:
(An Imaginary Interview)
You know, I cycle fifteen or twenty miles a day back and fore to work, and pass two or three of my posters on the way. Oh yes. And I must say they don’t look too bad, either. I was only saying to my wife the other day that when our boy grows up I think we’ll put him to sign-writing or in the advertising business. There seems to be money in it doesn’t there?
Andrew Booth, Gwirfoddolwr Archifau Morgannwg
The Ocean and National Magazine, 1932: Personoliaethau Swyddfa Caerdydd - Archifau Morgannwg