Volumes I-IV of The Westinghouse Bulletin, company magazine of British Westinghouse (later Metropolitan Vickers), covering the period up to 1915. The Westinghouse Bulletins were created as 'a clearing house for internal information' and contain such topics as: notes on important orders received; talking points on Westinghouse apparatus; comparisons with competitors apparatus; descriptions of new lines of apparatus etc. The Bulletins are arranged with a subject index at the front. They bear the stamp of the Research Library and volumes I & II are inscribed with the name F. Walker, and volumes III & IV with A.P. Fleming.

The collection also contains a copy of '1899-1949' by John Dummelow, published to commemorate the Golden Jubilee of Metropolitan Vickers Electrical Company.