Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EAW027241 / 2069473)

' This small room was where glass was powdered and made into "Sintered" disks that acted as filters when sealed into various Laboratory glassware. The brains behind this process was Jack Mead, whose Brother Harold was a Director of A.Gallenkamp '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

Os ‘Arall’ rhowch fanylion (dewisol)

Eich enw (dewisol)

Eich cyfeiriad e-bost (dewisol)

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