Official audio cassette patent - Laser engraved slate

Celebrate the era of analog music with this laser-engraved slate featuring the patent for the classic audio cassette.
The audio cassette, patented in 1964 by Philips, revolutionized the way people listened to music and remained a popular format for decades. 🎵

This slate engraving has a unique relief to the touch and is durable over time. 🖼️

Size: 320x220mm

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