And lose your magnetic recording tape. 
http://home.comcast.net/~mrltapes/pubshed3.pdf
That one's borked, try this one instead:
http://mrltapes.com/pubshed3.pdf
Apparently, prior to the 1970s they used whale oil in the binder that keeps the magnetic coating on the tape.
Then they introduced urethane as an "improvement".

http://home.comcast.net/~mrltapes/pubshed3.pdf
That one's borked, try this one instead:
http://mrltapes.com/pubshed3.pdf
Apparently, prior to the 1970s they used whale oil in the binder that keeps the magnetic coating on the tape.
Then they introduced urethane as an "improvement".


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