| Id Number | 324 |
| Object Title | Thermo-Hygrograph |
| Manufacturer | R. Fuess |
| Date of Object | Unknown |
| Model | 18 |
| Serial Number | C 5755 |
| Dimensions | 28 x 35.5 x 24 cm; 11'' x 14'' x 9 1/2'' |
| Material | Metal |
| Id Number | 326 |
| Object Title | Thermo-Hygrograph |
| Manufacturer | R. Fuess Berlin-Steglitz |
| Date of Object | Unknown |
| Model | 18 |
| Serial Number | A 8856 |
| Dimensions | 28 x 25.5 x 13 cm; 11'' x 14'' x 5'' |
| Material | Metal |
| Id Number | 337 |
| Object Title | Assman Psychrometer |
| Manufacturer | Casella |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | 4098? |
| Dimensions | 43 x 9 cm; 17'' x 3 1/3'' |
| Material | Metal; Plastic; Glass |