Levelling Instruments
The instruments listed below are identified by their unique catalogue numbers. Click on the instrument for more information.
| Instrument | Model | Maker | Catalogue number |
| Dumpy level | Baker, England | 0301 | |
| Precision tilting level | E. R. Watts & Son Ltd., England | 0302 | |
| Precision tilting level | Hilger & Watts Ltd., England | 0303 | |
| Precision tilting level | S.500-109 | Cooke, Troughton & Simms Ltd., England |
0304 |
| Tilting level | Hilger & Watts Ltd., England | 0305 | |
| Tilting level | E. R. Watts & Son Ltd., England | 0306 | |
| Tilting level | NK 2 | Wild, Switzerland | 0307 |
| Automatic level | Ni 2 | Carl Zeiss, Germany | 0308 |
| Autocollimation eyepiece | for Ni 2 | Carl Zeiss, Germany | 0309 |
| Automatic level | S27 | Vickers, England | 0310 |
| 90o (objective) prism | NA3000 | Carl Zeiss, Germany | 0311 |
| Digital level | Leica, Switzerland | 0312 | |
| Plane parallel plate micrometer |
10 mm, for Ni 2 | Carl Zeiss, Germany | 0313 |
| Plane parallet plate micrometer |
5 mm, for Ni 2 | Carl Zeiss, Germany | 0314 |
| Precision levelling staff | Carl Zeiss, Germany | 0315 | |
| Automatic zenith plummet |
Autoplumb ST555-2 |
Watts Ltd., England | 0316 |
| Automatic precision level | Ni 007 | Carl Zeiss, Germany | 0317 |
| Automatic level | Cooke, Throughton & Simms Ltd., England |
0318 |
