Sowter 1285e Transformer, Mu-Metal Can version, 282,47 €
Ampex 351 440 MM-1200 1/4" Mu Metal Left Hand Rear Shield Head Can Cover. AM | eBay
Electromagnetic Shielding Mu-metal Magnetic Field Magnetism, PNG, 800x800px, Electromagnetic Shielding, Attenuation, Ekran Magnetyczny, Electric Field,
Mumetal from MuShield Magnetic Shielding - Made in USA