Brass knob similar to a small doorknob, used to move the andiron (fire-dog or log-rest) on which it is mounted. The andiron is mainly remembered in public consciousness now because of "The Adventures of Tom Sawyer" (1876): Tom was given a brass andiron knob as 'payment' for allowing a friend to whitewash the fence and as it was his most prized possession he gave it to Becky Thatcher (she returned it on discovering he had been 'engaged' to Amy Lawrence!)
An andiron is a utensil for supporting wood when burning in a fireplace.
An alloy of copper and zinc is called brass. Tin or aluminum can be added to brass to increase its resistance to corrosion. (see related link for types of brass)
heterogeneous mixture
No: brass is homogeneous.
its easier and quicker for the zinc in the brass to react with the hydrochloric acid.
infinitydecor.co.uk/product/ball-door-knob-polished-brass/
A ball door knob described as "polished brass" is typically made of brass, a metal alloy primarily composed of copper and zinc. The term "polished brass" refers to the finish of the door knob, indicating that the surface has been meticulously polished to achieve a smooth and shiny appearance. infinitydecor.co.uk/product/ball-door-knob-polished-brass/
Brass is an alloy of copper and zinc.
An andiron is a utensil for supporting wood when burning in a fireplace.
The left side andiron has melted!
There are several websites from which one can order a door handle or knob made by Carlisle Brass. These sites include: premierdoorhandle, handles4home and cheshirehardware.
andiron
There is an effective way to clean brass door knobs. The first thing they need is to determine if the knob is brass plated or solid. If it is plated, use caution in the cleaner that they use.
One can buy an antique brass lantern from online retails like John Lewis, eBay, Amazon, Vermont Lanterns, Home Base, The Brass Knob, TLAI and Alibaba.
Andiron comes from a Middle English word aundiren, it was changed to -iron by association with iron.No root word, this is the word.
...well... you could describe it as a brass door knob or an old squeeky antique door knob with an elegant floral pattern. Clear transparent crystal , smooth metal door knob, renaissance style, ancient and rusty, moldy, black bronze, ... or glossy marble like porcelain door knob. That's all I can think up of.
According to the book The Hobbit, the porthole had a shiny yellow brass knob in the exact middle of the door.