That vertical streak running parallel to the utility pole in the upper right of the frame is a flaw in the surface of the emulsion. It isn’t a scratch. It’s more like a ridge. I’m assuming it’s a manufacturing flaw of some kind. It runs across 4 frames on this roll. So far, this is the only quality control issue I’ve seen in the 8 rolls of Adox that I’ve developed. I’ve been impressed enough with CHS 100 that I’ve ordered 10 rolls of CHS 50. More on this subject later.