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SMS Precis Catalgue - 1989 Holdings
Altimetry
141 | 196406 | ? | Barometric Heighting – General | FS | EW, AD |
141 | 197403 | 1 | Barometric Heighting – General | A4 | SE, AD |
142 | 196509 | ? | Altimetry – Instruments | A4/FS | EW, AD |
142 | 196509 | 1 | Altimetry – Instruments | A4 | SE, AD |
143 | 196501 | 0 | Altimetry - Field Procedures | FS | AD |
143 | 196801 | ? | Altimetry – Field Procedures | A4 | EW |
143 | 197705 | 1 | Altimetry – Field Procedures | SE |