UltraLog Contact

If you are a member of the
International Slide Rule Group ISRG and would like to ask me a question, provide me with feedback or inform me of your intention to buy an UltraLog please send me a personal email via the list's website. Please only send your email to the whole group if you consider it of interest to other members.

If you are not a member of the ISRG, you can email me at

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