The godfather of glass pipes works in a bus down by the Willamette River — make that a 1940s bus and a semi trailer outfitted with several ... ” Snodgrass says, pushing and pulling rods of molten ...

Pipes are made of “hard,” or “scientific” glass, also known as borosilicate glass. Its chief useful characteristic is its heat resistance, which makes it a perfect choice for pipes. Coloring ...