Lamb, The Dynamical Theory of Sound (1910), is intended as a stepping-stone to the study of-the writings of Helmholtz and Rayleigh.
It does not of itself give the student a view of the true relations of plants, and by leading to the discovery of the name of a plant, it is only a stepping-stone to the natural system.
Ethel took one glance at Dean's occupation and knew she had hit neither a financial bonanza nor a stepping-stone to anything but fiscal mediocrity.
This class has been a stepping-stone for many Olympic sailors world-wide.
There could be no better way to make her mark than in a movie that resounded with young audiences across the country, but this was simply a stepping stone for Fisher.