Fordson Tractor Badge and Test Strips
I recently bought a Kodak enlarging exposure scale to try and simplify making test strips. It looks like this... The numbers in the circles correspond to different exposure values. Place the transparent sheet on a piece of photographic paper and expose for 60 seconds. The values in the circles then correspond to the number of seconds of exposure. They are divided into roughly 1/2 stop intervals. My conventional test strips consist of a strip of photographic paper that I cover incrementally in the order of 8, 11,16, 22, 32, 45, 64 seconds which are 1/2 stop intervals. I decided to try this new method with a number of prints I had planned for the weekend. This one is of a tractor badge I liked which was in the back garden of a house we rented at one time. To use the test wheel in split grade printing I cut a 5"x10" strip from my 8x10 sheet of paper. I place the paper on the easel where I want to make my test. Then I place the test wheel on one end of the p...