Where can you find user manual for World War 1 juice extractor model NT 8814?

I don't know about the manual, but I just figured out how to clean it. Lift the blade, wiggle it a bit counter-clockwise... once it comes off then twist the top off. It was easier to wiggle the blade off before twisting the top... but it was a bit of a struggle. Once its off you will see the latches under the blade, making it easier for next time. Hope it helps.