I love those pics Bill, just up my alley. I used to do a lot of night photography myself, many moons ago, cityscapes in black and white were my addiction.
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The Jernbolaget is certainly a very nice razor. Had you honed the Hellberg frameback at all? I know I'm not a great and powerful honer like some here, and I'll never hone a couple of thousand razors, but it was nice to get it so right this time and the last (with the Jernbolaget). In fact, I don't even know if that pyramid I used is 'valid', but it did work for me...