NOTE: Sid Lethbridge - Mosaic (i.e. slag glass) novelties that appear in wholesaler catalogs in 1887/8. They are generally assigned to Challinor, Taylor although they do not appear in the available Challinor, Taylor catalogs which are later than the period that Mosaic was popular.
NOTE: Brad Gougeon - Crockery & Glass Journal, March 11, 1886. Page 22.
"We have received information to the effect that "slag ware," as it is called is made by Challinor, Taylor & Co., Pittsburgh, under the name of mosaic ware. Further information can be headed by calling at their office, 24 Park place."