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/467/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 467,
    "uuid": "de0dc37949504793b6c38ef06f606b9b",
    "title": "Meteor-3 Total Ozone Mapping Spectrometer (TOMS)",
    "abstract": "The TOMS experiment on board the Meteor-3 satellite provided daily global coverage of the Earth's total ozone by measuring the backscattered Earth radiance in the six 1-nm bands. Meteor-3 TOMS was launched on August 15, 1991 from Plesetsk, Russia, and failed on 27th December 1994.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/348/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/349/?format=api"
    ],
    "instrumentType": "instrument",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1311/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/1310/?format=api"
    ]
}