David Crate's Quality Slide Rules

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A Word about Slide Rule Valuation Requests

If you would like my opinion of your slide rule's value, I am happy to provide it, but please provide me with adequate information. Except in the case of unused, still-in-box items, a written description is not sufficient for me to ascertain your rule's condition and, consequently, value with any reasonable degree of veracity.

When requesting a valuation of your rule, please provide one the following:

Ideally, you will ship the rule to me so that I may properly inspect it. (Please include return postage and insurance - whatever it cost to send it to me should do nicely.) Please note that I cannot accept responsibility for your slide rule, or anything else sent, while in transit or in my possession. These items tend to be old and, consequently fragile; you are sending it at your own risk. Of course, I will make every reasonable effort to preserve the exact state of your property and return it to you that way, but there are too many things that can go awry that I haven't control of to be liable for damage.
Alternatively, you could provide a number (the more, the better, but no more than a dozen and half that many will probably do!) of the best-quality photographs you can arrange for and send them (by regular mail, please. Electronic images are not usually of sufficient qualiy and, when they are, they are too big for my mail server. Please, please, please do not send gigantic electronic photographs to my email! )

PLEASE DO NOT SEND ONLY A WRITTEN DESCRIPTION AND REQUEST FOR YOUR SLIDE RULE'S VALUE AND EXPECT TO RECEIVE A USEFUL VALUATION.

And, even given the foregoing, please keep in mind: my opinion will be just ... my opinion. (Albeit, one with a good deal of experience in the exact subject you are interested in!)