lead wool
{{Short description|Thin strands of lead}}
Lead wool consists of thin strands of lead metal that can be used to cold-caulk cast iron and steel pipes.
It was manufactured by the New York Lead Wool Company in the United States{{cite news|url=https://books.google.com/books?id=EzTnAAAAMAAJ&q=%22Lead+Wool+Company%22|title=The New York Lead Wool Company|year=1909|work=Gas Industry (Volume 9)|quote=The New York Lead Wool Company occupied booth No. 40. Their product is guaranteed to stand 1000 pounds pressure or more. It is applied cold. No melting is necessary. It consists of pure lead fibers which are calked like yarn. |pages=357|accessdate=30 March 2010}} and by The Lead Wool Company, Limited in Snodland, Kent, England.{{cite book|title=Non-ferrous metal works of the world|editor=Harry George Cordero, Trevor J. Tarring|publisher=Metal Bulletin Books Ltd.|location=London|year=1967|pages=471–472|issn=0078-0987|url=https://books.google.com/books?id=9QBEAAAAIAAJ&q=%22Lead+Wool+Company%22}}
The Lead Wool Company (the British company) was incorporated on 9 October 1919{{cite news|url=http://www.ukdata.com/numbers/00159447.html|title=Lead Wool Company, Limited (The)|publisher=UK Data Limited|accessdate=30 March 2010|archive-url=https://archive.today/20130205025321/http://www.ukdata.com/numbers/00159447.html|archive-date=5 February 2013|url-status=dead}} (although some references indicate that it was active before that date) and was still active in 1983.{{cite journal|year=1983|title=The Lead Wool Company|journal=World Water|volume=6|issue=5–11|pages=33|url=https://books.google.com/books?id=CZQmAQAAIAAJ&q=%22Lead+Wool+Company%22}} The British company also developed a device to test pipe joints internally.{{cite journal|year=1984|title=Many years ago, the Lead Wool Company Ltd. developed a rigid tester to test pipe joints internally...|journal=Water Services|volume=88|url=https://books.google.com/books?id=jOJVAAAAMAAJ&q=%22Lead+Wool+Company%22}}
The company's factory had been demolished by 1994, according to a report on archaeological excavations near the factory's site.{{cite journal|url=https://books.google.com/books?id=MIhnAAAAMAAJ&q=%22Lead+Wool+Company%22|date=1996|title=Excavations on a Romano-British Villa at Churchfields, Snodland, 1992-94|first=Vaughan|last=Birbeck | journal=Archaeologia Cantiana|publisher=Kent Archaeological Society|volume=115|pages=72–73|issn=0066-5894}}
Lead wool is presently manufactured in the UK by Calder Industrial Materials Limited.Lead Wool, Calder website ([http://www.calderlead.co.uk/product/construction/wool/ http://www.calderlead.co.uk/product/construction/wool])