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How To Order

Ordering is simple: Send us an email.  
We'll respond with exact costs and where and how to send payment.
 We accept PayPal, money orders, personal checks and cash.  

Shipping Charges in the United States

Charges approximate our actual costs for postage and
packing materials; we don't charge for "handling."
Parts shipped free with other items; $6.00 if shipped alone.
Single book, student slide rule, or leather case shipped in a padded envelope: $6.00.
Single pocket slide rule or anything else we can ship in a USPS “Small Flat Rate Priority Mail Box:” $10.00.
Everything else (Priority Mail): $16.00.

Items costing $20 or more are automatically insured at USPS rates.    The Slide Rule Trading Co. provides the insurance; we no longer use USPS insurance.  (That decision was prompted by a claim where the Post Office seemed to do everything in its power to delay settlement.)  

International Shipments

We charge estimated postage plus $2.50 for packing materials.  Most items are shipped as "first class packages."  International Priority Mail is about twice as expensive as first class but no quicker; the cheapest Priority Mail option in a "medium" box is about $65 to most countries.  We don't use Priority Mail for international shipments unless the buyer explicitly requests it.  International shipments are trackable on the website  
The Slide Rule Trading Co. self-insures international shipments at USPS domestic rates. 

International Payments

PayPal is simplest.  PayPal charges your credit card or bank account in your currency and credits our account in dollars.  Second is an International Money Order in dollars.  Wire transfers are not practical since our bank charges an exorbitant $21 to $25.


We will refund all costs, including shipping both ways,
for any item that is not at least as good as advertised.

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