Dylan Iorwerth sy'n cymharu effaith y wasg argraffu swyddogol gyntaf â thechnoleg fodern. Dylan Iorwerth compares the first official printing-press with today's modern technology. Show more
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Dylan Iorwerth sy'n cymharu effaith y wasg argraffu swyddogol gyntaf â thechnoleg fodern. Dylan Iorwerth compares the first official printing-press with today's modern technology. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
