I recently got interested in the wood kits of some of Leonardo Da Vinci's ideas for flying machines, and have done the Ornithopter, Catapult and Aerial Screw.
I used Kiwi paste shoe polish on the wood parts of the Aerial Screw, then used a soft wide brush dipped in turpenoid to apply artist oils to the cloth covering of the 'screw'. A good dab of black, brown and yellow oils and brushed on the muslin type cloth can be worked and adjusted pretty easily.
I thought this would be a good place to try the technique before I tried it on a WW I plastic kit.
I am dressing some little plastic employees with paper towel material to operate the machine and have work left to do on them.
I am thinking of some alternative way to attach the cords to the device since I am fairly certain they did not have big brass eyelet type screws in those days.
Fun kits, and a good break from the plastic.
4 attached images. Click to enlarge.