Sinclair ZX Microdrive.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Sinclair_ZX_Microdrive.JPG" title="File:Sinclair ZX Microdrive.JPG">Sinclair_ZX_Microdrive.JPG</a>: Original uploader was <a href="https://en.wikipedia.org/wiki/User:Letdorf" class="extiw" title="en:User:Letdorf">Letdorf</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Ubcule" title="User:Ubcule">Ubcule</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Ubcule" title="User talk:Ubcule"><span class="signature-talk">talk</span></a>)</li></ul>
CC BY 2.5
<ul><li><a href="//commons.wikimedia.org/wiki/File:Sinclair_ZX_Microdrive.JPG" title="File:Sinclair ZX Microdrive.JPG">Sinclair_ZX_Microdrive.JPG</a></li></ul>