The common snail-shell is constructed according to logarithmic laws.

By this characteristic we recognize the ‘logarithmic spiral.’

Should logarithmic tables be withheld from him until the theoretical foundation is laid in the mind of the pupil?

Sixty seconds later the Brainchild began her long, logarithmic drop toward the surface of Eisberg.

Such tables can scarcely be said to come under the head of logarithmic tables.

Now is this logarithmic spiral, with its curious properties, merely an idea of the geometricians?

For she is not related to the Worm; and yet she is familiar with the logarithmic spiral and uses it in her web, in a simpler form.

The curve is a logarithmic spiral, and the use of the instrument involves no other labor than that of setting it in position.

The Professor, a logarithmic machine, and I had had a falling out not long before.

By this characteristic we recognize what geometricians have named the logarithmic spiral.