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/46013/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 46013,
    "uuid": "0163965fa2c1424fbe34daef2e11a187",
    "title": "University of Bristol GC-PDD A",
    "abstract": "A gas chromatograph with a pulsed discharge detector (GC-PDD) used at Jodrell Bank Observatory to m\r\neasure molecular hydrogen. This analyser uses an Agilent 8890 GC with a custom-built Hydra module housing the front-end gas handling system and the PDD.",
    "keywords": "bristol-gcpdd-a",
    "identifier_set": [
        "https://catalogue.ceda.ac.uk/api/v2/identifiers/13889/?format=api"
    ],
    "instrumentType": "gas_chromatograph",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219943/?format=api"
    ]
}