The magnetic drum calculator was the first general purpose computer developed in 1953. It is also called The IBM 650.
Eddy currents in a magnetic drum can be produced by rotating the drum in close proximity to a magnetic field. The changing magnetic field induces currents in the metal drum, which in turn creates its own magnetic field that interacts with the original field, causing eddy currents to flow within the drum.
Magnetic drum memory or magnetic drum storage, a type of computer memory/storage that is now long obsolete.
Drum.
Random Access Memory, as verses Sequential Access Memory (delay lines, magnetic tape, magnetic drum, magnetic disk, etc.)
Without the aid of a calculator (drum roll please) the answer is 69.3
Finally completed in 1694 the Leibnitz calculator can add,subtract,multiply, and divide numbers. The stepped drum principle of Gottfried Leibnitz's invention survived for 300 years.
laser toner consist of : developer drum - where the powder toner gets cooked magnetic roller - where the powder toner gets charged then sticks and gets applied to drum pcr - this is a roller right below the drum this is to secure the paper into the drum toner hopper - where powder toner is stored and here is where magnetic roller pulls toner waste toner hopper - where CHARGED powder toners goes
The magnetic hold in coil uses magnetism along with the electric motor that turns the drum.
The magnetic variation at a specific location like N 333154 and E 1291148 is the angular difference between true north and magnetic north. To determine the exact magnetic variation at this coordinates, you would need to refer to a current magnetic variation chart or use a geomagnetic calculator.
T. T. Fossum has written: 'A magnetic drum surface gauge' -- subject(s): Electronics
The magnetic fluid in a LaserJet toner cartridge helps to evenly distribute the toner particles on the drum, which is essential for creating precise and high-quality prints.
TI introduced the SR-52 in 1975. Like its predecessor, the SR-50, it was a scientific calculator, but the SR-52 was programmable. The programs could be stored on magnetic cards.