<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">19” form factor for the disks drive fir the space in the 19” relay rack. You’re right the platters themselves were smaller. The disks were referred too by the mechanical FF. 19, 8, 5.25 etc. <br><br><div id="AppleMailSignature" dir="ltr">Sent from my PDP-7 Running UNIX V0 expect things to be almost but not quite. </div><div dir="ltr"><br>On Jul 1, 2019, at 12:07 AM, Eric Smith <<a href="mailto:spacewar@gmail.com">spacewar@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div dir="ltr"><div dir="auto"><div dir="auto"></div><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jun 30, 2019, 19:37 Clem cole <<a href="mailto:clemc@ccc.com" target="_blank" rel="noreferrer">clemc@ccc.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">You can use RH70 (massbus controllers) and just use the larger (originally expensive) 19” disks from the early days. <br></blockquote></div><div dir="auto"><br></div><div dir="auto">14 inch, but who's counting. :-)</div><div class="gmail_quote" dir="auto"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"></blockquote></div></div>
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