"A northbound North Shore Line train rounds the curve at Lake and Wabash in June 1961. We are looking to the east. This is an early Kodachrome II slide. The film had a faster ISO than the original Kodachrome, and was said to be sharper, with a thinner emulsion. But not all photographers were happy about the change, and it had a bit less contrast, and some missed the ""Rembrandt blacks"" of the old version. (J. William Vigrass Photo)"
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