International library of technology : a series of textbooks for persons engaged in the engineering professions and trades, or for those who desire information concerning them T Technology
Domestic sanitary engineering and plumbing, dealing with domestic water supplies, pump & hydraulic ram work, hydrolics, sanitary work, heating by low pressure, hot water, & external plumbing work T Technology
Waste products and undeveloped substances; a synopsis of progress made in their economic utilisation during the last quarter of a century at home and abroad T Technology