A process by which photos and paintings are copoied and reproduced onto items such as books, newspapers, and magazines.
There are too many possible variables to give an answer to this question. The depth of the engraving, the substrate, and the environment will all have an impact. An engraving you make by lightly scratching wood with a nail file and then submerge in sea water will not last nearly as long as a 1/8th inch deep engraving in titanium sealed in a vacuum.
with your eyes
Depends what you mean by "useful." UV light can cause chemical reactions to occur very rapidly, and is thus used in highly precise photo-engraving, such as in the making of micro-chips. It is also useful in killing micro-organisms.
Local home improvement stores and craft & hobby story often offer free glasses on the weekend open to the public allowing them to learn such techniques as glass engraving and so much more. Also stores such as Hobby Lobby & Michaels offer kits for glass engraving.
edward tufte
Peter Wagner has written: 'Lust & Liebe im Rokoko =' -- subject(s): English Engraving, Engraving, English, Engraving, French, Engraving, German, Erotic art, French Engraving, German Engraving
wood engraving
Call up a place that does engraving and ask where you would purchase an engraving machine.
laser engraving stone
You can find information about engraving machines at www.customengravingcompany.com and www.hflaser.com/Laser-Engraving-Machine.htm.
The Hours - engraving - was created in 1788.
Bernard Sleigh has written: 'Wood engraving since eighteen-ninety' -- subject(s): Wood-engraving, Technique, Wood-engraving, English, Wood-engraving, British
If the engraving was done originaly at the factory, then value is calculated as the model based on condition. If a rifle has custom engraving, it depends on the quality of the engraving. Proffesional custom engraving will usually enhance the value, but may appeal to only certain buyers. Each situation is unique when custom engraving is done on any firearm.
Star Engraving building was created in 1930.
Although Apple does not offer engraving for iPhones, and engraving itself would void any warranties on the iPhone, you may want to ask around local engraving companies that offer laser engraving to get their opinion (I do not recommend electro-mechanical engraving, as that could damage the delicate components inside the iPhone). It's possible, though, that the plastic cases on iPhone 3G and iPhone 3Gs may not be suitable for any sort of engraving at all.
The Bureau of Engraving and Printing is located in Washington, DC.
A Conical is the name for the tool used for engraving. There are many models and kits that include these. They are toolbits for engraving and etching diamond and various metallic surfaces.