Magnetic developer
Magnetic developer is a fluid which makes the magnetic information written on magnetic tape or the magnetic stripe of a credit card or ATM card visible to the naked eye. Magnetic developer can be found in liquid or aerosol form.
Magnetic developer is a fluid which makes the magnetic information written on magnetic tape or the magnetic stripe of a credit card or ATM card visible to the naked eye. Magnetic developer can be found in liquid or aerosol form.
Magnetic developer is a fluid which makes the magnetic information written on magnetic tape or the magnetic stripe of a credit card or ATM card visible to the naked eye. Magnetic developer can be found in liquid or aerosol form.
Source: Wikipedia "Magnetic developer" · CC BY-SA 4.0
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