J. W. Naylor and Sons

of Oldbury, Birmingham
- 1940 Advert. Tool screws. [1]
- 1945 Advert. Tool screws. [2]
- 1951 Advert. Tool screws. [3]
- 1960 Advert. Tool screws. [4]
Sources of Information
- ↑ Mechanical World Year Book 1940. Published by Emmott and Co of Manchester. Advert p135
- ↑ Mechanical World Year Book 1951. Published by Emmott and Co of Manchester. Advert p163
- ↑ Mechanical World Year Book 1951. Published by Emmott and Co of Manchester. Advert p163
- ↑ Mechanical World Year Book 1960. Published by Emmott and Co of Manchester. Advert p163