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Magnets & Magnetism Alnico telephone receiver magnet, 1938

Magnets & Magnetism Alnico telephone receiver magnet, 1938
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Largest available format 3504 × 2874 px 1 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
Large 3504 × 2874 px 297 × 243 mm 1.3 MB
Medium 1024 × 840 px 87 × 71 mm 974 KB

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IMAGE number
UIS5060465
Image title
Magnets & Magnetism Alnico telephone receiver magnet, 1938
Auto-translated text View Original Source
Location
Science Museum, London, UK
Medium
object
Image description

Magnets & Magnetism Alnico telephone receiver magnet, 1938. Alnico magnets are formed through a casting or sintering process and are composed primarily of aluminium, nickel, cobalt and iron. As well as telephone receivers, this type of magnet is found in loudspeakers, magnetos, motors and other sensing devices. Alnico has a strong resistence to corrosion, excellent stability over a broad range of temperatures and is easy to magnetise. ©SSPL/Science Museum

Photo credit
SSPL/UIG / Bridgeman Images
Image keywords
20th century / Science / photography / thing / thirties / technology / communication / magnetism / phone

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