Janet is correct,
IF these manuals are available, Helen would be able to send copies to you. However, I don't believe there
WERE manuals, in the way we think of them today. They had loose brochures for each of the appliances prior to
1964 (maybe 1963)...so, don't be too surprised if Helen isn't able to help.
You may also want to look through the Vintage Airstream IntraClub's Archives to see if anything there can help:
Trailer Manuals
Appliance Manuals
Trailer Catalogs
Shari