Casgliadau Arlein

Minutes for the meeting of the refractories sub-committee held on December 2nd, 1931 and minutes from the blast furnace sub-committee held on October 30th, 1931. Also included is an agenda for the blast furnace committee held on January 21st 1932 with a progress report from the meeting. Fifteen pages in total, attached with a treasury tag. Typed in black ink on cream paper. The agenda is typed on headed paper of the National Federation of Iron & Steel Manufacturers Iron & Steel Industrial Research Council.