We acquired a lot of broken pieces of Hokie Stone laying around from all the construction. We had lots of ideas of things to do with it in our apartment, but we'd get drunk too early on the weekends we could do anything with it to use power tools.
Salt printing is an old process technique whereby paper is treated with a solution of salt and silver nitrate and then subjected to outdoor exposure (sunlight). The resulting salt process âsun pictureâ is characteristic for its matt appearance, and reddish brown colouring.
The simplicity of the process made it very attractive to amateur photographers. Printing out papers fall into two categories, those coated with metallic salts, and those with coated with an emulsion. SALTED PAPER. Iron Salt Prints-This process was invented in 1842, but its first known use for a postcard was in 1888.