The whole subject-matter of exact science consists of pointer readings and similar indications.


The Nature of the Physical World (1928)


The whole subject-matter of exact science consists of pointer readings and similar indications.

The whole subject-matter of exact science consists of pointer readings and similar indications.

The whole subject-matter of exact science consists of pointer readings and similar indications.

The whole subject-matter of exact science consists of pointer readings and similar indications.