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/61/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 61,
    "uuid": "306ac6a158514192baf813b4b8b46be7",
    "title": "FAAM/BAE (Facility for Airborne Atmospheric Measurements/British AErospace) systems: Set of FAAM core instruments",
    "abstract": "Core instruments are provided and can be operated by FAAM. Data will be made available routinely at BADC. Some core instruments may not be operated on all flights. The standard core instrument data may, in some cases, be enhanced (e.g. provided at higher frequency or with greater accuracy) by collaboration with another group.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/60/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/61/?format=api"
    ],
    "instrumentType": "instrument",
    "subInstrument": [
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/353/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/373/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/389/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/417/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/361/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/349/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/365/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/421/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/381/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/385/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/369/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/341/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/401/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/393/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/397/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/409/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/377/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/413/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/345/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/instruments/357/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/143/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/144/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/57426/?format=api"
    ]
}