| Id Number | 312 |
| Object Title | Aspiration Type Assman Psychrometer |
| Manufacturer | Wilh. Lambrecht KG Gottingen |
| Date of Object | Unknown |
| Model | Type 761 |
| Serial Number | 340714 |
| Dimensions | 39.5 x 9 cm; 15 1/2'' x 3 1/2'' |
| Material | Metal; Glass |
| Id Number | 319 |
| Object Title | Thermo-Hygrograph |
| Manufacturer | R. Fuess Berlin-Steglitz |
| Date of Object | Unknown |
| Model | 18 |
| Serial Number | E 602 |
| Dimensions | 30.5 x 33 x 13.5 cm; 12'' x 13'' x 5 1/4'' |
| Material | Metal; Plastic |
| Id Number | 320 |
| Object Title | Hair Hygrograph |
| Manufacturer | Negretti & Zambra |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | 25371 |
| Dimensions | 26.5 x 33.5 x 12.5 cm; 10 1/2'' x 13 1/4'' x 5'' |
| Material | Metal; Plastic; Hair |