Infantry casemate bunker concrete fortress "O3/23/A-160 Z"  řopík  near Velké Březno, Czechia
https://www.ropiky.net/dbase_objekt.php?id=1075725593

Map: https://goo.gl/maps/6kvGAnSVkM2Yb7gC6

https://en.wikipedia.org/wiki/Czechoslovak_border_fortifications

Former part of Czechoslovak border fortification built in 1930's, now under heritage protection.
http://www.fortif.net/files/overview.php

Photogrammetry scan (290x24MP DSLR + drone by https://sketchfab.com/kubacpetr )

**Available to download for free, easy to 3D print as well.**

Bunker O3/23/A-160 Z

Infantry casemate bunker concrete fortress pillbox "V.b/87/C"  řopík  near Chomutov, Czechia part of the Kočičák museum
http://www.kocicak.cz

Map: https://mapy.cz/zakladni?x=13.3866443&y=50.4897893&z=17&source=base&id=2247443

https://en.wikipedia.org/wiki/Czechoslovak_border_fortifications

Former part of Czechoslovak border fortification built in 1930's, now under heritage protection.
http://www.fortif.net/files/overview.php

Photogrammetry scan (350x24MP DSLR + drone by https://sketchfab.com/kubacpetr )

**Available to download for free, easy to 3D print as well.**

Bunker V b/87/C

This is part of a fossil stem of a giant lycopsid plant from the coal fields of Czechia, which formed during the Carboniferous Period (359–299 million years ago). Lycopsids are related to ferns, so they produce spores rather than seeds. 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, coalified fossil lycopsid plant stem

**Inventory number**: NHMW-GEO-2024/0188/11077

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the Kulturerbe digital (2nd Call) digitization project at the NHMW funded by the [BMWKMS](https://bmwkms.gv.at/)

Sigillaria ornata (NHMW-GEO-2024/0188/11077)

This is the fossil stem of a giant lycopsid plant from the coal fields of Czechia, which formed during the Carboniferous Period (359–299 million years ago). This particular fossil is a species of *Knorria*. Lycopsids are related to ferns, so they produce spores rather than seeds. 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand cast of a fossil lycopsid plant stem

**Inventory number**: NHMW-GEO-2024/0188/11041

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the Kulturerbe digital (2nd Call) digitization project at the NHMW funded by the [BMWKMS](https://bmwkms.gv.at/)

Knorria (NHMW-GEO-2024/0188/11041)

This is a 3d model of a part of a fossil stem of a giant lycopsid plant from the coal fields of Czechia, which formed during the Carboniferous Period (359–299 million years ago).

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, coalified fossil lycopsid plant stem

**Inventory number**: NHMW-GEO-2024/0188/11066

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coal fields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Sigillaria elongata (NHMW-GEO-2024/0188/11066)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10963

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coal fields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Calamites communis (NHMW-GEO-2024/0188/10963)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10961

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coalfields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Calamites communis (NHMW-GEO-2024/0188/10961)

This is a 3d model of a part of a fossil stem of a giant lycopsid plant from the coal fields of Czechia, which formed during the Carboniferous Period (359–299 million years ago).

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, coalified fossil lycopsid plant stem

**Inventory number**: NHMW-GEO-2024/0188/11080

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coal fields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Sigillaria ornata (NHMW-GEO-2024/0188/11080)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10957

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coalfields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Calamites communis (NHMW-GEO-2024/0188/10957)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10965

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coalfields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Calamites communis (NHMW-GEO-2024/0188/10965)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10968

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coalfields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Calamites communis (NHMW-GEO-2024/0188/10968)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10967

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coalfields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Calamites communis (NHMW-GEO-2024/0188/10967)

This is a 3d model of a part of a fossil stem of a giant lycopsid plant from the coal fields of Czechia, which formed during the Carboniferous Period (359–299 million years ago).

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, coalified fossil lycopsid plant stem

**Inventory number**: NHMW-GEO-2024/0188/11069

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coal fields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Sigillaria elongata (NHMW-GEO-2024/0188/11069)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10969

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coalfields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

Calamites communis (NHMW-GEO-2024/0188/10969)

This is the fossil stem of a giant horsetail plant: *Calamites communis*. It dates back to the Carboniferous Period (359–299 million years ago). 

This object is part of the historical ‘Ettingshausen collection’, which is on permanent loan from the Institute of Biology, University of Graz. It is not currently on display.

**Specimen**: Large, sand-filled stem of a fossil horsetail plant

**Inventory number**: NHMW-GEO-2024/0188/10966

**Collection**: NHMW, Geology & Palaeontology Dept., Palaeobotany (curator: Chris Mays)

**Origin**: Karviná coal fields, Czechian Silesia, Czechia

Find out more about the NHM Vienna [here](http://nhm.at/en).

Scanned and edited by A. Haider (NHMW)

Scanner: Artec Space Spider 

Contribution to the digitization project „Einsichten in die gesellschaftspolitische Dimension des NHMW über die Jahrhunderte von der Prägung des Wissenschafts-Verständnisses bis zum Nationalpark in der Lobau“ funded by the [BMWKMS](https://www.bmwkms.gv.at/).

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