Sundials - World's Oldest Clocks

North American Sundial Society

Pyramid of El Pueblito, Corregidora,Mexico
photo by Ruben Nohuitol

Join or Renew your membership in NASS and receive your quarterly issues to The Compendium and keep up with sundial construction, history, and events.

Want to know what's in The CompendiumTake a look at sample issues and see the convergence of history, art, and mathematics. Annual membership in the North American Sundial Society includes four issues of The Compendium, available in print, CD-R discs, or down-loadable digital editions. Since June 2010, the print edition comes in full color, while the CD-R and digital editions not only come in digital color, but from time to time offer software features and other bonus material not available in print.

The Digital Compendium is available in PDF format by Internet download or on a CD-R disc sent via postal mail.  PDF documents can be read using Adobe Reader or other PDF applications such as PDF Complete.  NASS membership and subscription can be made for one or two years, now using worldwide rates.


New Format of The Compendium

In recent years, The Compendium has been a Letter size (8.5” x 11”), 40-page journal with stapled binding.  Beginning with our March 2021 ssue, it will have a new format. In print form, The Compendium will be sent as a US Trade size (6” x 9”) paperback book averaging 78-80 (acid-free paper) pages each quarter.  It will have slightly larger print and separation of lines of text. The new page size will also allow the digital edition to more easily display a full page (or pair of pages) on most computer screens without scrolling.

The digital edition on disk will be mailed on a CD-R disk if "CD" is selected below. The electronic digital download edition will be available from this website. Notification of the availability of the download version and how to access it will be sent by email.

The digital edition requires a pdf reader or comparable software. Mac users can access the issues (primarily pdf files) but may not be able to use the digital bonus items which are generally made for Windows PC devices.

Membership Rates

Our members outside of North America have paid an additional charge for shipping the print edition. With our new format and printer, The Compendium will actually be printed at different locations around the world, with a general reduction in cost of shipping. So beginning in 2021 NASS has moved to a single worldwide membership fee structure. Whether you subscribe to the Print, CD or Download edition, the US Dollar cost of membership will not depend on where you live. And that cost will be the same as North American members currently pay.

Rates 2021


If you are a member living outside North America and receiving either the print or CD edition, your current subscription will be automatically extended. If your current subscription runs through June 2021, it will be extended for 1 additional issue at no cost. If your current subscription runs through June 2022, it will be extended for 2 additional issues at no cost.


Payment can be made by check or credit card using PayPal...No need to have a PayPal account.  Because of the world-wide single rate, we have discontinued the option of paying in British Pounds. 

REMEMBER TO PROVIDE NAME, ADDRESS, and EMAIL.  If ordering the Print Edition, PHONE NUMBER is also required by our publisher.

tovestext1. Click the down arrow (v) on the 1yr or 2yr  dop down list to select the type of The Compendium along with your membership. 
2. Click the 1yr or 2yr Worldwide button. You will get a PayPal "Continue" screen. Click Continue. At right is an illustration of the resulting PayPal screen.  Note the bottom option to pay with credit card.
3. Complete your transaction as guest, providing name, address, telephone, and of course, credit card information.
1-yr Worldwide
2-yr Worldwide

Or, you can use the membership form and pay US Dollars sent to NASS President Fred Sawyer.  If paying by check, include your subscription option, address and email address:  DOWNLOAD SUBSCRIPTION FORM ATTACHED BELOW

          Make Check Payable to:   North American Sundial Society                    
          Send Check & Form to:    Fred Sawyer                                                   
                                                      27 Ninas Way                                                     
                                                      Manchester, CT 06040, USA                          

Updated 2021-06-12
Download this file (NASS Subscription Form-2021.pdf)NASS Subscription Form-2021.pdf[ ]362 kB


The North American Sundial Society

Publications Order Form

Print this form or include the necessary information with your order

Digital Publications on CD
Title Pricing & Select  
ShadowCatchers USD Cost
I Foster - The Art of Dialling (1638/1675) 10    
II Foster - Posthuma Fosteri (1652) 10    
III Emerson - Dialling (1770) 12    
IV Clerke - The Spot-Dial (1687) 7    
V Strode - A New And Easie Method To The Art Of Dyalling (1688) 10    
VI Sturmy - The Art Of Dialling By The Gnomical Scale (1679) 8    
VII Foster - Elliptical, Or Azimuthal Horologiography (1654) 15    
VIII Jacques Ozanam - A Treatise of Gnomonicks (1712) 15    
All 8 ShadowCatcher volumes 60 USD    
ShadowCatchers are also available in softbound (perfect binding) printed volumes  Online Store
NASS Repository (all 108 issues of The Compendium from the first 27 years) 30 USD    
Gunella – Analemmas 15 USD    
Dialing Patents 10 USD    
The Analemmatic Sundial Source Book 20 USD    
Payment Total  
If you would like to use your PayPal account you have the option to transfer U.S. dollars to: This email address is being protected from spambots. You need JavaScript enabled to view it.include a listing of the items ordered.
Payment may be sent by mail in U.S. dollars. Checks must be drawn on a U.S. bank - or a bank with a U.S. office and routing number - and should be payable to the North American Sundial Society
Mail orders to
Fred Sawyer
27 Ninas Way - Hampton Run
Manchester CT 06040-6388 USA.


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