| Subject | German | English |
| meas.inst. | Feather-Methode | Feather plot method (for determining the ranges and/or spectra of beta particles) |
| meas.inst. | Feather-Methode | Feather analysis |
| meas.inst. | Methode von Feather | Feather plot method (for determining the ranges and/or spectra of beta particles) |
| meas.inst. | Methode von Feather | Feather analysis |