How to identify and learn about antique lamps?Q. I recently decided to clean up an old lamp that was my grandmother's. I thought it was brass, but it seems to be copper under a brass finish. Was there a time when that was a thing? Should I be using something other than Brasso to...
For copper, everyone may have become accustomed to it. In our daily life, each of us can be said to be inseparable from copper products, but even so, there are still many people who can’t distinguish the same material correctly. Let the editor lead you today. Identify the various types...
DIY Alchemy: How to “Transmute” Copper into Brass [Excerpt] Expand Your World with Science Learn and share the most exciting discoveries, innovations and ideas shaping our world today.SubscribeSign up for our newslettersSee the latest storiesRead the latest issueGive a Gift Subscription Follow ...
One of the main strengths of handheld XRF analyzers is being able to measure accurately the composition of copper alloys within a few seconds, and identify the alloy grade. (This is an advantage to scrap metal recyclers as it makes manual sorting of items made of copper and its alloys...
Take your piece of metal and test its magnetization by sticking a magnet to it. If your metal sticks to the magnet, the metal could be cast iron or steel. If the metal does not stick to the magnet, your metal could be copper, brass, solver or aluminum. ...
After some practice, the welder or metal worker will learn that certain parts of equipment or machines are forgings, others are cast iron, other and so on. Common Metal Testing Methods There are seven tests commonly used to identify metals. Each is summarized below. Use tests along with infor...
Even connecting wires in a circuit have resistance, so when high currents need to be carried by a cable, the copper or aluminum cores need to have a sufficiently large cross sectional area (CSA) to avoid overheating.Calculating the Current Flowing Through a Resistance The resistance in a ...
perfect range hood for your kitchen, selecting the finish is one of the most important decisions you can make. Copper offers a classic look and feel with unique characteristics, like malleability and heat retention. Brass has a regal appeal, plus it’s incredibly durable and resistant to ...
brass, but there are also many pieces wrapped with a thin layer of brass or plated with brass over another, cheaper metal. If the item is not solid brass, you need to clean it gently to avoid removing too much surface metal and causing permanent damage. Learn how to identifyAntique Brass...
Past studies have often defined the composition of an alloy as an intentional choice, however in this paper we aim to identify the constraints in alloy manufacture in a bid to understand the degree of freedom enjoyed by craftsmen during this period. We will also evaluate to what degree the ...