pine tar may have been used early on, but it won't result in the "jet black" finish seen on bedwood - the finish used on the post-war wood was lineseed with "lamp black", the same coloring pigment still used in rubber products

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot