Kingsford, Peter. <br/><br/>
Engineers, inventors, and workers / 
P. Kingsford. 
 - London :  St Martin's Press,  1964. 
 - 272 p. :  ill. 
<br/><br/><label>ISBN: </label>713130840 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Working class--History.--Great Britain<br/>Engineers--Great Britain.<br/>Labor.<br/>Technology--Great Britain.