Get a list of Instrument objects. Instruments have a 1:1 mapping with Observations.

### Available end points:

- `/instruments/` - Will list all Instruments in the database
- `/instruments.json` - Will return all Instruments in json format
- `/instruments/<object_id>/` - Returns Instruments object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `title`
- `uuid`
- `keywords`
- `instrumentType`

### How to use filters:

- `/instruments/?title__startwith!=Instrument.title: DETAILS NEEDED`
- `/instruments/?uuid=c7fa005e2095425392b18adbd7b40617`
- `/instruments.json?instrumentType=radiometer`

GET /api/v2/instruments/11045/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 11045,
    "uuid": "07925992cfa542c1b3f608e3f57f0969",
    "title": "ENVISAT GOMOS",
    "abstract": "GOMOS measures atmospheric constituents by spectral analysis of the spectral bands between 250 nm to 675 nm, 756 nm to 773 nm, and 926 nm to 952 nm. Additionally, two photometers operate in two spectral channels; between 470 nm to 520 nm and 650 nm to 700 nm, respectively.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7384/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7385/?format=api"
    ],
    "instrumentType": "instrument",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39842/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/39841/?format=api"
    ]
}