The plumber and sanitary houses : a practical treatise on the principles of internal plumbing work, or the best means for effectually excluding noxious gases from our houses / by S. Stevens Hellyer.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

The plumber and sanitary houses : a practical treatise on the principles of internal plumbing work, or the best means for effectually excluding noxious gases from our houses / by S. Stevens Hellyer. Public Domain Mark. Source: Wellcome Collection.