Pickett N4-ES Log Log Dual-Base Speed Metal Slide Rule Leather Case Very Good

Description

I love slide rules. I used them through school and into my first years in engineering and still carried one in my laptop when I was the boss to challenge young engineers to "feel the numbers in their hands". You have to understand what you are calculating to use one, but they're so quick and elegant. I have several including my college one and a later upgrade to a Faber Castell amongst others.
This is a good example of the Pickett N4-ES all-metal design, dating back to 1959 in the original leather case with a nice gold logo and no writing on the rule or case.
This is not quite perfect, with some corrosion on one corner of one of the metal end pieces and on the loop / rivet on the back of the case, so priced accordingly.
This will be shipped Pr
iority Mail.
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COLORADO SALES TAX CHANGE 1st December 2018.
As of this date, as a Colorado-based business, I am required to charge sales tax based on your location in Colorado rather than my location. Based on my in-state sales volume, the way I am going to do this is set a flat rate of 9% and refund the difference BEFORE I SHIP. As I'm human (I hope), I will forget occasionally, so please remind me if necessary. If you are in a location where the sales tax is above 9% and below 10%, I will absorb that difference. If your location is charging 10% or more, I will send a message requesting payment of the difference by Paypal. I hope that this will be a short term situation as ebay is progressively automating sales tax collection state by state.