A Treatise on a Box of Instruments and the Slide-Rule. Grand Eagle Retail is the ideal place for all your shopping needs!We are unable to deliver faster than stated. International deliveries will take 1-6 weeks. Please contact Customer Services and request "Return Authorisation" before you send your item back to us. We cannot take responsibility for items which are lost or damaged in transit. The item "A Treatise on a Box of Instruments and the Slide-Rule by Thomas Kentish English" is in sale since Wednesday, January 6, 2016. This item is in the category "Books\Other Books". The seller is "grandeagleretail" and is located in Fairfield, Ohio. This item can be shipped worldwide.