| View Cart ⇗ | Info

Water that is placed in an apparatus will have equal pressure if the pistons pushing on it push at the same time with the same frequency.


The Boys of '76. A History of the Battles of the Revolution (New York, NY: Harper & Brothers, 1879)


TIFF (full resolution)

2463×2843, 1.5 MiB

Large GIF

887×1024, 143.7 KiB

Medium GIF

554×640, 66.5 KiB

Small GIF

277×320, 20.4 KiB