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first you load the film like in the standard projector set your starting frame in the window, open the side door to the housing and you will see 2 carbon arc rod holders one for the anode rod and one for the cathode rod. crank the advance mechanism to the far rearward settings and place the rods in the mounts. when starting movies bring rods together to touch creating an arc between the rods back off rods to allow light to fill gap on light card on top of projector housing rods will stay at set rate of travel. at end of 20 minutes reel do your change over to other projector and repeat process. use caution carbon arc rods are extremely hot after use.

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