You know in older TV shows and movies when someone is cleaning a window by polishing off some white stuff all over it? From Housekeeping Notes: How to Furnish and and Keep House in a Tenement Flat; a series of lessons prepared for use in the Association of practical housekeeping centers of New York (1911)

Dust the window, and apply a thick suds of Bon Ami. Let it dry, and rub off with a dry cloth.”

So there you go: possibly Bon Ami.