The hydrologistor has a section for command. A hydroststic pressure applied on that surface change the position of the valve and sense of the hydraulic flow through the main cylinder of the multiplier.

I wonder at those , that will assume a knowledge of all ; they are unwisely ashamed of an ignorance , which is not disgracive

Secondly, modern criticism argues that a tangible or palpable body is not adapted to a superterrestrial abode. But this is ignoring the fact that the stars and the planets are superterrestrial, and yet they are material.

[The researchers] noticed many of their pieces of [plastic marine] debris sported surface pits around two microns across.[…]Closer examination showed that some of these pits did, indeed, contain bacteria, and that in several cases these bacteria were dividing and thus, by the perverse arithmetic of biological terminology, multiplying.