PLASMA STORM Manufacturer: American Science & Surplus
RADIOMETER Manufacturer: American Science & Surplus
RADIOMETER Manufacturer: American Science & Surplus
BACKWARDS RUNNING CLOCK Manufacturer: American Science & Surplus
DOUBLE SAND SCULPTURE Manufacturer: American Science & Surplus
Decision Maker Manufacturer: Kikkerland Design
Newton's Cradle Manufacturer: Gifts and Gadgets Online ListPrice: $19.95
Latitude Hooks and Azimuth Rings: How to Build and Use 18 Traditional Navigational Instruments Author: Dennis Fisher Manufacturer: International Marine/Ragged Mountain Press ListPrice: $19.95 Offer: $13.57
Sundials: History, Art, People, Science Author: Mark Lennox Boyd Manufacturer: Frances Lincoln ListPrice: $50.00 Offer: $36.50
Sundials: Their Theory and Construction Author: Albert Waugh Manufacturer: Dover Publications ListPrice: $9.95 Offer: $9.95
Sundials: Their Construction and Use Author: R. Newton Mayall Manufacturer: Dover Publications ListPrice: $12.95 Offer: $10.36
Sundials: History, Theory, and Practice Author: Rene R.J. Rohr Manufacturer: Dover Publications ListPrice: $15.95 Offer: $12.76
Making a Clock-Accurate Sundial Customized to Your Location (for the Northern Hemisphere) Author: Sam Muller Manufacturer: Naturegraph Publishers ListPrice: $8.95 Offer: $8.95
