SPRAGUE capacitor for Tektronix 4051.

[Kyle Owen]

A lot of antique radio restorers prefer to cut open the can near the base,
remove the innards, and replace it with a modern (much smaller) capacitor.
Gluing it back together and polishing it up can make it look pretty close
to original.

Here's a pretty good write-up:
http://www.faultlineaudio.net/the-work-bench/2013/1/15/restuffing-a-multi-section-can-capacitor.html

Kyle