A collection of instruments, machines, parts, or other equipment used for a particular purpose
see "device"
"At Langley, the preferred rules for forming possessives are as follows (G.P.O. 1984; and Rowland 1962): • Form the possessive of a singular or plural noun not ending in s by adding 's. • Form...
unequipped
the equilibrium receptors in the semicircular canals and vestibule