"Fig. 1. Silvered Dewar calorimeter" from Szpak &amp; Mosier-Boss, "Thermal and Nuclear Aspects of the Pd/D2 System: Volume 1", TR1862, Space and Naval Warfare Systems Center, San Diego.
<p>authors: S. Szpak &amp; P. A. Mosier-Boss
</p>
source: <a rel="nofollow" class="external free" href="http://www.nosc.mil/sti/publications/pubs/tr/1862/tr1862-vol1.pdf">http://www.nosc.mil/sti/publications/pubs/tr/1862/tr1862-vol1.pdf</a>, pg. 43