Yankee Plastic 4x5" Sheet Film Day Light Developing Tank

here's how to load the fr day light film developing tank there are seven parts you have the tank itself to film holders on the sides adjustable for different sized films a guide for inserting the sheets of film into the tank a holder on top to keep the sheets in place a baffle that keeps out light but lets the chemicals in and out and the lid unless you're using ortho film which can be loaded under safe light all this has to be done in complete darkness so you want the parts laid out in order where you'll be able to find them easily by feel if the film is properly loaded in the holders the notches are at the lower right grasp the film with the notches turn it with a knot stand up and slide it through the guide into the tank if you're developing 12 sheets move the guide one space toward you for six sheets or fewer you can move it two spaces it helps to have fingernails once all the film