Hartford City's success in attracting manufacturers can be indirectly measured by its population growth.

One practical application is to use this phenomenon to indirectly measure motor speed and position.

Since it is not directly observable, it must be measured indirectly.

The energetics of movement are typically measured indirectly through oxygen consumption.

Pressure sensors can also be used to indirectly measure other variables such as fluid/gas flow, speed, water level, and altitude.

It will typically be measured indirectly from nitrogen excretion in urine.

In these experiments, the total current passed is measured directly or indirectly to determine the number of electrons passed.

By measuring the cone angle physicists indirectly measure the energy of the neutrino.

This correlation allows for the level of CO in the blood to be indirectly measured through a breath sample.

In human studies, 11-dehydrothromboxane B2 levels are used to indirectly measure TXA2 production.