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/2570/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 2570,
    "uuid": "aa489e056a2e4c85b55c436e1e901b02",
    "title": "NIMBUS-7 Earth Radiation Budget (ERB)",
    "abstract": "The Nimbus-7 Earth Radiation Budget (ERB) instrument began recording data on November 16, 1978 and continued through June 20, 1980. The principal products are nine years of global albedo, outgoing longwave, and net radiation plus continuing solar irradiance measurements.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/1785/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/1786/?format=api"
    ],
    "instrumentType": "instrument",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/11929/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/11928/?format=api"
    ]
}