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/2860/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 2860,
    "uuid": "0f77c835f67641948e3bd3aaa7a38b63",
    "title": "Met Office: Dual-frequency Extension to In-flight Microwave Observing System (DEIMOS)",
    "abstract": "Deimos is an along-track scanning radiometer with dual polarised channels at 23.8 and 50.1 GHz. Deimos is constrained to view in five directions either upward or downward depending on how it is fitted to the aircraft.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/1968/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/1967/?format=api"
    ],
    "instrumentType": "instrument",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/12852/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/12851/?format=api"
    ]
}