Excerpt from British Standard Specification for Cast Iron Spigot and Socket Waste and Ventilating Pipes for Other Than Soil Purposes The Specifications for Cast Iron Spigot and Socket Low Pressure Heating Pipes, Report No. 40, and Cast Iron Spigot and Socket Flue or Smoke Pipes, Report N 0. 41, having been completed, the sub-committee on Cast Iron Pipes for Heating, Ventilating and House Drainage next turned their attention to the preparation of Standard Specifications and Standard Designs 'for Cast Iron Spigot and Socket Soil Pipes and Waste and Ventilating Pipes, and of a suitable series of Standard Fittings for the same. In presenting the annexed Specification and Designs of Cast Iron Waste and Ventilating Pipes and Fittings, the Sub Committee desire to call attention to the following points. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.