La Farge apparently introduced Tiffany to the new use of opalescent glass sometime in the mid 1870s , showing him his experiments .
For his early experiments , La Farge had had to custom - order flat sheets of opalescent glass from a Brooklyn glass manufacturer .
La Farge apparently introduced Tiffany to the new use of opalescent glass sometime in the mid 1870s , showing La Farge La Farge 's experiments .
For his early experiments , La Farge had had to custom - order flat sheets of opalescent glass from a Brooklyn glass manufacturer .