Otis quick-scoring mental ability tests; gamma test.

SEE Clark, John R. Quick-scoring mental ability tests; gamma teat, form C & Key.

For example, "id:GAMMA gamma" indicates an uppercase Greek gamma-form followed by the form in lowercase.

We have only begun to know of X-rays and the alpha, beta, and gamma rays from them, of radium, radioactivity, and finally of this new force which I have discovered and call 'protodyne,' the original force.