Downtime message

Due to planned maintenance taking place on Thursday 9th October between 9:00 AM and 1:00 PM, services might be disrupted or temporarily unavailable. We apologise for any inconvenience.

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)

CAPTCHA

This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.