Los 10 principales competidores de sundials.org

sundialsoc.org.uk

the british sundial society takes an interest in all aspects of telling the time by the sun. the history, the art, the science and the making of sundials.

nava.org

promoting excellence in vexillology and camaraderie among those interested in flags.

shadowspro.com

create your first sundial using shadows pro software package, the perfect tool for understanding and designing sundials and astrolabes.

davidharber.com

Our Terms and Conditions apply to the sale of Works by David Harber Ltd. By placing an Order, you are confirming agreement to these Terms and Conditions.

abnc.ca

As Halloween approaches, images of scary bats become commonplace. This is the perfect time of year to counter bat myths and do something to help bats, by taking part in International Bat Week (October 24-31). Bat Week is all about appreciating these amazing animals and their benefits, including eating insects, pollinating flowers, and spreading seeds and nutrients. This BatWeek, consider landscaping that helps bats at Halloween!

mcdonald.utexas.edu

Info for Members of the General Public Interested in learning about astronomy or Visiting the McDonald Observatory in Fort Davis, Texas

airmass.org

tool for planning astronomical observations: shows the observability of celestial objects by plotting their altitude over the course of a night and year. similar to the ing's staralt but intended to be quicker, easier to use and more feature-rich.

blocklayer.com

calculators for home improvement remodeling construction and renovation with detailed scaled diagrams + woodwork metal work and craft

dlt.ncssm.edu

Access T.I.G.E.R., C.O.R.E., and MA366 course media resources.