[nelsb01]

To answer your question --- the wiper is installed through the hole above the windshield. There is a special chrome washer (different than 1936 passenger vehicles) and then a nut. That is all that holds the wiper mechanism in. The rubber hose used for the vacuum that is needed to work the wiper runs down the drivers side A pillar (post) and under the dash and then through the wiring loom hole and to the intake manifold.
The special washer is hard to find. You may have to run a classifed wanted ad.