mfg Posted February 27, 2022 Report Posted February 27, 2022 Very early 'STP' signs which were seen at service stations read ".....?...... Developed." 1) Bonneville.....2) German......3) Space Age....or.....4) Military
mfg Posted February 28, 2022 Author Report Posted February 28, 2022 2 hours ago, pantera928 said: space age Good thought, however not "Space Age"
mfg Posted February 28, 2022 Author Report Posted February 28, 2022 18 minutes ago, r1lark said: I'll say 'German'. German is CORRECT!....Developed in Germany during WWll.
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