Mortaring a sewer wall in Boston, c. 1885.
https://s3-us-west-1.amazonaws.com/h...tar_boston.jpg
Previously:
https://www.homemadetools.net/forum/...073#post149447
https://www.homemadetools.net/forum/...871#post129275
https://www.homemadetools.net/forum/...159#post134555
https://www.homemadetools.net/forum/...083#post125701
https://www.homemadetools.net/forum/...361#post150657
