Im looking in the DICTIONARY OF PAPER (American Paper and Pulp Association,
1951)
and find these definitions:

oiled paper: a strong paper treated with boiled linseed oil and turpentine.
Its cheif use is in copying letter books. Thinner papers, generally manila
wrapping saturated with a neutral mineral oil, used for packing purposes.
See also loin paper. (Which turns out to be butcher's paper, treated with
petrolatum or white oil.

There are some other entries on oiled papers but without much detail. There
are updated editions of this dictionary.

Michael Bogle
Historic Houses Trust of NSW

)>Help wanted!!
>
>I've recently ben asked to present a seminar on the repair procedures for
>oil impregnated paper plans.  The repair side of things is not too much of
>a problem, however there doesn't sem to be all that much information of the
>history and maufacture of this type of paper.  Does anyone out there know
>of any reference sources that may be of help?
>Many thanks
>
>Tristian Jones
>Conservator
>Tyne and wear Archives Service
>Blandford house
>Blandford Square
>Newcastle upon Tyne
>NE1 4JA
>0191 232 6789 ext 444
>e-mail [log in to unmask]