Iron needles are good for compasses because it is thin, and light
Steel is sensitive to magnetism .
Rusting is the oxidation of iron in the presence of oxygen and humidity, it is a normal chemical reaction.
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.
As in sewing needles or pinhead needles - no. But they're long, narrow and really pointy, which make them very much like needles.
It is good as it contains iron which is good for blood
Yes
Lodestone
Thepermanent and atemporary magnet.
people uses compasses because it is a very good use of tool that tells you where to go when you are lost.
The plural possessive for compasses is compasses'.
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).
They both forget about which way is North, and the needles point at each other.
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.
There are two main types: Magnetic compasses and gyro compasses.
cotton and needles and thred and a spinning wheel and a themble and an iron
The possessive form of compass is compass's.
The needle of a compass is a small magnet, when put too close to iron it may try to point to the metal.
Compasses is the plural form of compass.