Casgliadau Arlein

Full title:- "Trials on Six Power Station Workers' Houses with Electric-Floor Heating" Utilisation Research Report No. 15. 17-page report. Black print on white paper, inside yellow card covers. Includes numerous plans and diagrams. Attached to the inside front cover is a letter from the Central Electricity Generating Board to H.W Thomas re. an article in Power News. Typed in black ink on company headed paper. Attached to the reverse cover is a compliment slip from G. Morley Davies (Press & Information Officer, Central Electricity Board. Black print on white paper.