A collection of 4 vintage collectable and useful hardback books used by a small manufacturing business:

Teach Yourself Books: Management M.Gilbert Frost - note some dirty pages and loose cover. 1962

The practical sheet metal worker - JS Murphy - Odhams Press Ltd London. 

Financial control for the small manufacturer - Second (Enlarged) Edition by Francis Simmonds 1952 - ex library book, loose cover

Collins National Decimal Ready Reckoner - 1971 good condition for age. 

Please see photos for condition.
Thank you