Title
Ivory Diptych Sundials, 15701750 (Collection Of Historical Scientific Instruments, Harvard University),Used
Delivery time: 8-12 business days (International)
During The Sixteenth And Seventeenth Centuries, Ivory Diptych Sundials Were Widely Used To Determine The Time By Day Or Night. These Elaborate Portable Sundials, Which Could Be Adjusted For Different Latitudes, Incorporated Various Devices Useful For Merchants And Others Who Traveled Extensively In Europe. This Catalog Illustrates In Detail Harvard'S Collection Of Eightythree Ivory Diptych Sundials, One Of The Largest Holdings Of These Instruments In The World. The Collection Encompasses A Comprehensive Array Of Styles And Designs From Nuremberg, Paris, And Dieppe, The Major Centers Of Their Production, As Well As From Other Parts Of Europe.This Catalog Is The Fourth Publication Of Harvard University'S Collection Of Historical Scientific Instruments, And The First To Appear In Twentytwo Years. This Collection, Which Was Established In 1949 As A Resource For The History Of Science And Technology, Has One Of The Three Largest University Holdings Of Its Kind In The World. It Comprises About 15,000 Instruments Covering A Broad Range Of Scientific Disciplines Dating From 1500 To The Present. Illustrated Catalogues Of Other Parts Of The Collection Are Anticipated In The Near Future. These Will Include Volumes On Early Telephones And Phonographs, Psychological Instruments, And Apparatus For Teaching Science In Colonial America.
By changing our most important processes and
products, we have already made a big leap forward. This ranges from the
increased use of more sustainable fibers to the use of more
environmentally friendly printing processes to the development of
efficient waste management in our value chain.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.