Things that Go “Boom!”
My colleague Chubacus from CivilWarTalk.com posted this image, subsequently identified by CWT user lordroel, of U.S. Navy tests of a spar torpedo at Newport, Rhode Island on September 11, 1871. The note on the back of the image gives the size of the charge as 160 lbs, about 20% more than used by the Confederate submersible H. L. Hunley in sinking USS Housatonic in February 1864. It was a steam launch very much like this that sank CSS Albemarle.
Presented in both flat and 3D anaglyph formats.
You can visit Chubacus’ photography blog here.
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Dead Confederates, A Civil War Era Blog 
Remind me again where to get those glasses . . .
They’re cheap.
https://www.amazon.com/3D-Glasses-Direct-3D-Ultimate-Prescription/dp/B004HN2U7W/
You can buy cardboard ones in bulk.
. . . and done! Thanks!
The Navy actually had a crew on a ship it tested explosives on??? I hope they were volunteers. Was anybody hurt?
I don’t know if anyone was hurt. But this is exactly how William Cushing sank Albemarle in the CW.