Noise Generator Model 160 clone.

The La Sesenta y Siete 160, produces white noise with a flat frequency distribution from 5 cps to 20 kc and weighted noise with a constant power per octave distribution.

More info here: https://www.lasesentaysiete.com/ and here: https://www.muffwiggler.com/forum/viewtopic.php?t=208349