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Iron needles are good for compasses because it is thin, and light
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoSteel is sensitive to magnetism .
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Why to sewing needles rust?
Rusting is the oxidation of iron in the presence of oxygen and humidity, it is a normal chemical reaction.
Where can one find more information about brass compasses?
There are a number of online websites where one can find information about brass compasses. Stanley London has an excellent selection of brass compasses for sale. Trade Mark London does repairs, maintenance and servicing for antique compasses. The Boreal Arrow has a wide selection of antique and vintage compasses available for purchase and provides some background history for each item.
Are those needles in the cactus really needles?
As in sewing needles or pinhead needles - no. But they're long, narrow and really pointy, which make them very much like needles.
What is minerals good for?
It is good as it contains iron which is good for blood
Do compasses detect fluctuations in convection in the mantle?
Yes
Needles of early compasses were often constructed of?
Lodestone
Does the compass have to have a magnet to work?
Thepermanent and atemporary magnet.
Why people use compasses?
people uses compasses because it is a very good use of tool that tells you where to go when you are lost.
What is the possessive form of the word Compasses?
The plural possessive for compasses is compasses'.
What is the chemical or liquid inside a compass?
compasses have Mineral Oil filled Needle Housings, with steel needles that pivot on a sapphire bearing The light mineral oil is there to damp the needle (stop the needle swinging too loosely) and it has to withstand freezing (because compasses are used in cold places).
What will happen if you bring two compasses next to each other?
They both forget about which way is North, and the needles point at each other.
Is coin a conductor or insulator?
Yes, a coin is a conductor because it is made out of metal, as well as keys, sewing needles, and iron nails are all conductors.
How many types of compasses are there?
There are two main types: Magnetic compasses and gyro compasses.
What did a milliner use to make clothes?
cotton and needles and thred and a spinning wheel and a themble and an iron
What is the possessive form of compasses?
The possessive form of compass is compass's.
Why do compasses turn the wrong way when on metal?
The needle of a compass is a small magnet, when put too close to iron it may try to point to the metal.
What is the plural form of compasses?
Compasses is the plural form of compass.
