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Description
Sundials: Their Construction and UseTo many people, the construction of a sundial implies laborious mathematical calculations and a knowledge of astronomy. Nothing could be farther from the truth. This fascinating handbook, used in conjunction with ordinary tools and materials found around the home, makes it easy to design and construct a sundial on almost any surface and in virtually any position. Introductory chapters offer a wealth of information on the sundial's development from
To many people, the construction of a sundial implies laborious mathematical calculations and a knowledge of astronomy. Nothing could be farther from the truth. This fascinating handbook, used in conjunction with ordinary tools and materials found around the home, makes it easy to design and construct a sundial on almost any surface and in virtually any position.Introductory chapters offer a wealth of information on the sundial's development from ancient times to the present, why the sundial tells time, how to design and make a dial, and more. These chapters are followed by full instructions on how to construct the hour lines for many kinds of sundials, by the graphic or geometric method. The use of this method doesn't require a knowledge of mathematics or astronomy. It simplicity and accuracy, together with the ease and quickness of delineation, make it very practical. Readers will also find fascinating chapters on dial furniture, portable sundials, constructing a heliochronometer (a highly precise solar timekeeper), sundial classification, and other topics.
Accompanying the text are 150 well-chosen illustrations, many published for the first time. They depict scale models, as well as a moon dial, a cathedral dial, and other actual dials from around the world, including the world's largest, in Jaipur, India. If you've ever wanted to build your own sundial, or if you simply want to know more about these ancient timepieces that can show the time of day as accurately as many clocks, this clearly written, easy-to-follow guide is "the best book available." -- Commonweal.
Binding Type: Paperback
Publisher: Dover Publications
Published: 06/20/2000
ISBN: 9780486411460
Pages: 320
Weight: 0.79lbs
Size: 8.46h x 5.38w x 0.70d
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4.2 ★★★★★
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Product Reviews
★★★★★ 5
Convenient and powerful
Style: 4.0ah Battery Included
This 2-in-1 electric pole saw works great for trimming tall branches without needing a ladder.
The 14.5 ft extension reach makes it easy to cut high branches safely from the ground.
It has strong cutting power, and the 10-inch chainsaw blade handles thicker branches well.
The compatible Dewalt 20V battery and included 4.0Ah battery provide good runtime.
Overall, it’s a convenient and powerful tool for yard pruning and tree maintenance. 🌳
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Reviewed in the United States on March 3, 2026
★★★★★ 5
Amazing Pole Saw! Look no further!
Style: 4.0ah Battery Included
My DeWalt pole saw broke (after 2 years of occasional use) so I bought this one. I wasn't expecting much. To my surprise, this new off-brand pole saw is awesome!
It's well built. You can use the saw without the pole (which you can't do with DeWalt). It has a battery indicator LED screen on the top of the saw. DeWalt doesn't.
It comes with a battery that can charge two different ways. You can use a DeWalt charger or you can plug the charger that comes with it into the top of the unit.
The saw comes fully assembled except for the handle. The bar and chain are all ready setup and dialed in (an industry first)!
It came with everything needed to operate except for the chain oil. Even came with a screw driver to put the handle on.
The chain that comes with it isnt great but it cuts. It actually cut extremely well but dulled after about an hour of nonstop use.
Most importantly, it cuts just as good as my DeWalt pole saw. Dead serious.
This is an awesome saw. Comparable to DeWalt. Buy one before they sell out and you can't find em anymore. I had a hard time finding this saw on Amazon. I saw a review for it on YouTube and had to use the affiliate link to find it. There were a ton of other pole saws that looked almost identical. I can't speak to them - but this one is a no-brainer. An absolute steal at the price!
I don't work in tree service any more and wouldn't use it if I did, but I am a contractor and from time to time I need a pole saw and this one fits the bill.
This isn't a sponsored review. I used my own money to buy it and I'm not affiliated with the company in any way.
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Reviewed in the United States on November 22, 2025
★★★★★ 5
Works with DeWalt 20V Max Batteries
This two pack of handy garden tools consists of a Leaf blower and a Hedge trimmer that will accommodate DeWalt 20V Max style batteries!
An excellent bargain in a two pack of tools that most people will use to clean off their patio after trimming their garden bushes, for example.
Tried and tested, they both work fantastic!
They look great even though these are not actual DeWalt Tools they do have the same color scheme as the DeWalt tool line, matching them perfectly.
The Hedge trimmer comes with a nice safety storage sleeve for the dual sided cutting blade. Also for safety, I like how the Hedge trimmer D-Handle requires a grip along with the trigger to operate it. There is an inner safety bar that wraps around the inner side of the D-Handle for optimum gripping and safe usability, it does not limit or inhibit the operation.
The Blower has a 5 speed thumb wheel control (1-5) and is located at the top forward section of the grip handle, very easy to reach and to control.
Great Quality and both together are an Excellent Value, very nice!
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Reviewed in the United States on April 13, 2025
★★★★★ 5
Seems to work well, used it for about 2 hours and it cut what I needed
Size: 8.7-INCH
Seems to work well, used it for about 2 hours and it cut what I needed
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Reviewed in the United States on May 20, 2026
★★★★★ 5
The cutting edge of trimmers
Size: 8.7-INCH
Great Product. Lots of power and does not drain the battery right a way. Few different attachments. I bought this for my wife Light, durable and easy to handle
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Reviewed in the United States on March 29, 2026