Carrier medium · Optical disc
Magneto-optical disc
70 records recovered from magneto-optical disc, newest restorations first.
- Risk
- Low
- What goes wrong
- Few faults in the media; the drives are the problem.
- How Lazarus reads it
- Read on matched drives kept for the purpose.
- 33 bit-exact
- 25 complete
- 6 reconstructed
- 6 partial
| Catalog no. | Title | Year | Platform | Restored | Fidelity |
|---|---|---|---|---|---|
| LZ-41196 | Insect light-trap survey, Bayside, 1980–1990Bayside Natural History Society | 1980–1990 | Scientific instruments | 2026-10-24 | Complete |
| LZ-41191 | Sorrel Pen 5.9Visser Interactive | 1991 | NeXTSTEP | 2026-10-22 | Complete |
| LZ-40759 | Radio telescope observations, North Bellholm, 2017–2024North Bellholm Radio Observatory | 2017–2024 | Scientific instruments | 2026-05-28 | Bit-exact |
| LZ-39047 | Air quality monitoring, Redbrook, 1978–1982Redbrook Environmental Health Department | 1978–1982 | Scientific instruments | 2025-07-10 | Bit-exact |
| LZ-37791 | Air quality monitoring, North Bellholm, 2002–2020North Bellholm Environmental Health Department | 2002–2020 | Scientific instruments | 2024-11-23 | Complete |
| LZ-37533 | Bird ringing records, Granite Coast, 2012–2016Granite Coast Ornithological Society | 2012–2016 | Scientific instruments | 2024-10-07 | Bit-exact |
| LZ-36347 | Seismograms, Millfield Falls Observatory, 2014–2023Millfield Falls Observatory | 2014–2023 | Scientific instruments | 2024-03-04 | Complete |
| LZ-36206 | Bird ringing records, Three Rivers, 2001–2014Three Rivers Ornithological Society | 2001–2014 | Scientific instruments | 2024-02-07 | Complete |
| LZ-35900 | TandemCopyStonemore Springs Software | 1992 | NeXTSTEP | 2023-12-14 | Bit-exact |
| LZ-34076 | Air quality monitoring, East Willowvale, 2004–2007East Willowvale Environmental Health Department | 2004–2007 | Scientific instruments | 2023-02-04 | Reconstructed |
| LZ-33885 | Records of the North Bellmere Theatre Company, 1989–2001North Bellmere Theatre Company | 1989–2001 | NeXTSTEP | 2023-01-02 | Reconstructed |
| LZ-33326 | Park Bakery: files, 1995–2001Park Bakery | 1995–2001 | NeXTSTEP | 2022-09-28 | Complete |
| LZ-32596 | Tide gauge records, Oakcrest Harbour Harbour, 2008–2022Oakcrest Harbour Harbour Commission | 2008–2022 | Scientific instruments | 2022-05-25 | Partial |
| LZ-32277 | Records of the Ironhaven Theatre Company, 1996–1997Ironhaven Theatre Company | 1996–1997 | NeXTSTEP | 2022-04-01 | Bit-exact |
| LZ-31237 | NimbusManager 2.8Lim & Karimi | 1992 | NeXTSTEP | 2021-10-04 | Partial |
| LZ-30904 | Insect light-trap survey, Three Rivers, 1978–1995Three Rivers Natural History Society | 1978–1995 | Scientific instruments | 2021-08-08 | Complete |
| LZ-30145 | Diallo Printers: files, 1996–2001Diallo Printers | 1996–2001 | NeXTSTEP | 2021-03-30 | Complete |
| LZ-30130 | GyreTune 3.2Rhiannon Morgan | 1994 | NeXTSTEP | 2021-03-28 | Bit-exact |
| LZ-29942 | Insect light-trap survey, Bayside, 2006–2021Bayside Natural History Society | 2006–2021 | Scientific instruments | 2021-02-23 | Complete |
| LZ-29479 | Northwind Plan 2.5Ada Farah | 1995 | NeXTSTEP | 2020-12-06 | Bit-exact |
| LZ-29002 | Records of the Barmore Lifeboat Station, 1994–1997Barmore Lifeboat Station | 1994–1997 | NeXTSTEP | 2020-09-15 | Partial |
| LZ-28999 | Kelp AssemblerZoe Holm | 1997 | NeXTSTEP | 2020-09-14 | Complete |
| LZ-28980 | Tide gauge records, Goldwater Falls Harbour, 1996–2003Goldwater Falls Harbour Commission | 1996–2003 | Scientific instruments | 2020-09-11 | Complete |
| LZ-28756 | Vector Fix 2.7Mosaic Software | 1991 | NeXTSTEP | 2020-08-03 | Partial |
| LZ-28068 | Records of the Granhurst Credit Union, 1995–2001Granhurst Credit Union | 1995–2001 | NeXTSTEP | 2020-04-07 | Complete |
| LZ-27780 | Tide gauge records, Willowridge Harbour, 2018–2020Willowridge Harbour Commission | 2018–2020 | Scientific instruments | 2020-02-18 | Complete |
| LZ-27128 | Insect light-trap survey, Northern Lakes, 2004–2018Northern Lakes Natural History Society | 2004–2018 | Scientific instruments | 2019-10-17 | Bit-exact |
| LZ-26361 | Air quality monitoring, Port Kingsworth, 1976–1987Port Kingsworth Environmental Health Department | 1976–1987 | Scientific instruments | 2019-05-14 | Complete |
| LZ-26265 | DunlinScript 2.0Whimbrel Software | 1996 | NeXTSTEP | 2019-04-25 | Bit-exact |
| LZ-26197 | Weather station logs, East Willowvale, 1977–1980East Willowvale Meteorological Station | 1977–1980 | Scientific instruments | 2019-04-11 | Bit-exact |
| LZ-26150 | Weather station logs, Ashport Falls, 1972–1978Ashport Falls Meteorological Station | 1972–1978 | Scientific instruments | 2019-04-02 | Reconstructed |
| LZ-23163 | Rushmere Falls river gauge readings, 2015–2017Highland Water Authority | 2015–2017 | Scientific instruments | 2017-08-04 | Bit-exact |
| LZ-22564 | Santos Instruments: files, 1994–2001Santos Instruments | 1994–2001 | NeXTSTEP | 2017-04-04 | Bit-exact |
| LZ-21688 | Tide gauge records, Alderhurst Harbour, 2001–2016Alderhurst Harbour Commission | 2001–2016 | Scientific instruments | 2016-10-08 | Bit-exact |
| LZ-21213 | Stonehaven Springs river gauge readings, 1991–1993Northern Lakes Water Authority | 1991–1993 | NeXTSTEP | 2016-07-04 | Complete |
| LZ-20703 | Westholm river gauge readings, 2011–2016Highland Water Authority | 2011–2016 | Scientific instruments | 2016-03-22 | Reconstructed |
| LZ-19937 | Weather station logs, Barbridge, 2003–2005Barbridge Meteorological Station | 2003–2005 | Scientific instruments | 2015-10-19 | Bit-exact |
| LZ-18844 | WrenRoute 5.7Basaltsoft | 1991 | NeXTSTEP | 2015-03-11 | Complete |
| LZ-18361 | GannetGrid 2.9Nils Marsh | 1992 | NeXTSTEP | 2014-11-28 | Complete |
| LZ-18269 | Quarry Index 1.7North Southville Software | 1992 | NeXTSTEP | 2014-11-05 | Complete |
| LZ-17768 | EmberTypist 1.4Strata Software | 1992 | NeXTSTEP | 2014-07-06 | Bit-exact |
| LZ-17144 | InletCommander 1.6Gabriel Holm | 1989 | NeXTSTEP | 2014-02-04 | Bit-exact |
| LZ-16769 | Records of the Wellsby Cycling Club, 1994–2001Wellsby Cycling Club | 1994–2001 | NeXTSTEP | 2013-11-05 | Bit-exact |
| LZ-15525 | Chen Instruments: files, 1990–1999Chen Instruments | 1990–1999 | NeXTSTEP | 2013-01-06 | Bit-exact |
| LZ-14998 | Rowan TypistKestrel Software | 1989 | NeXTSTEP | 2012-08-31 | Bit-exact |
| LZ-14839 | Port Silvercombe river gauge readings, 1968–1976Bayside Water Authority | 1968–1976 | Scientific instruments | 2012-07-23 | Bit-exact |
| LZ-13189 | Lake ice records, Bayside, 1997–2002Bayside Lakes Survey | 1997–2002 | Scientific instruments | 2011-06-17 | Complete |
| LZ-12181 | Lake ice records, Highland, 1993–2001Highland Lakes Survey | 1993–2001 | NeXTSTEP | 2010-10-15 | Complete |
| LZ-11311 | Bird ringing records, Three Rivers, 1979–1983Three Rivers Ornithological Society | 1979–1983 | Scientific instruments | 2010-03-17 | Bit-exact |
| LZ-11294 | QuillIndexRelaysoft | 1997 | NeXTSTEP | 2010-03-13 | Bit-exact |
| LZ-11202 | Onyx SequencerPort Amberstead Software | 1997 | NeXTSTEP | 2010-02-19 | Complete |
| LZ-09940 | FathomTools 5.9Wanjiru Iyer | 1989 | NeXTSTEP | 2008-12-09 | Complete |
| LZ-09338 | Seismograms, Wellsby Observatory, 1997–2005Wellsby Observatory | 1997–2005 | Scientific instruments | 2008-05-04 | Bit-exact |
| LZ-09095 | Lake ice records, Granite Coast, 1991–1992Granite Coast Lakes Survey | 1991–1992 | Scientific instruments | 2008-02-05 | Reconstructed |
| LZ-08169 | Tide gauge records, East Birchcombe Harbour, 2001–2007East Birchcombe Harbour Commission | 2001–2007 | Scientific instruments | 2007-03-04 | Complete |
| LZ-07706 | FoxgloveDrafter 4.6Lindqvist & De Vries | 1995 | NeXTSTEP | 2006-09-16 | Bit-exact |
| LZ-06353 | Weather station logs, Hazelbridge Falls, 2004–2005Hazelbridge Falls Meteorological Station | 2004–2005 | Scientific instruments | 2005-05-09 | Bit-exact |
| LZ-06229 | Radio telescope observations, North Heronworth, 1991–2005North Heronworth Radio Observatory | 1991–2005 | Scientific instruments | 2005-03-25 | Bit-exact |
| LZ-06063 | Soil survey of the Upper Valley, 1996–2001Port Bramhaven University, Department of Soil Science | 1996–2001 | NeXTSTEP | 2005-01-24 | Bit-exact |
| LZ-05759 | Tide gauge records, North Marcrest Harbour, 2001–2004North Marcrest Harbour Commission | 2001–2004 | Scientific instruments | 2004-09-28 | Complete |
| LZ-05589 | Tide gauge records, Blackleigh Bay Harbour, 1975–1989Blackleigh Bay Harbour Commission | 1975–1989 | Scientific instruments | 2004-07-24 | Bit-exact |
| LZ-05444 | Eklund Joinery: files, 1995–1998Eklund Joinery | 1995–1998 | NeXTSTEP | 2004-05-28 | Bit-exact |
| LZ-05369 | QuillFix 2.1Sorensen & Ellis | 1991 | NeXTSTEP | 2004-04-29 | Partial |
| LZ-05177 | Bird ringing records, Northshore, 1974–1992Northshore Ornithological Society | 1974–1992 | Scientific instruments | 2004-02-13 | Bit-exact |
| LZ-03563 | KarstSheetStonemore Springs Software | 1992 | NeXTSTEP | 2002-05-23 | Partial |
| LZ-03448 | Records of the Highfold Cycling Club, 1991–1995Highfold Cycling Club | 1991–1995 | NeXTSTEP | 2002-04-08 | Bit-exact |
| LZ-02967 | Insect light-trap survey, Capital Region, 1974–1983Capital Region Natural History Society | 1974–1983 | Scientific instruments | 2001-09-01 | Complete |
| LZ-02720 | Insect light-trap survey, Western Ranges, 1990–1996Western Ranges Natural History Society | 1990–1996 | NeXTSTEP | 2001-04-25 | Bit-exact |
| LZ-01729 | Tide gauge records, Pineworth Harbour, 1997–1999Pineworth Harbour Commission | 1997–1999 | Scientific instruments | 1999-10-05 | Bit-exact |
| LZ-00760 | Lattice Term 2.9Ruth Kaplan | 1990 | NeXTSTEP | 1996-07-27 | Reconstructed |