KBK update for Thursday, 30th May

Another jackpot! This time, Honeywell have turned up 13 charts from SD Series, dating the series all the way back to 1975 (although the official start of sale date is not confirmed). The charts do not answer every question, but they shed a huge light on the series. All 13 charts are posted both in a collated PDF and as a zip file of all the separate high-quality TIFF images.

View within the updates for 2019

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