I was wandering around an antique shop, where I bought a beat up aluminum Dallmeyer 6d, and the guy showed me a giant lens that had no makers name that I could find. It was about a foot tall (300mm) and maybe 9 or 10 inches across the front (250mm). It felt like it weighed about 20 pounds (9 kilos). It had a working diaphragm. It says 36" (900mm) f6.3 on the lens rim across fro the serial number. He wanted $600 for it. Here are a couple of pictures.
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