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/41183/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 41183,
    "uuid": "6e2bfc4e8cc04b2baba698c8281d6e51",
    "title": "University of Bristol Picarro G2301 A",
    "abstract": "A Picarro G2301 trace gas analyser, serial number: CFADS2179, used at Ridge Hill atmospheric monitoring station. The analyser uses cavity ringdown spectrocopy (CRDS) to make in situ measurements of CO2 and CH4 in the near-infrared region - see Crosson et al. (2008) for details of this technique:  \r\nhttps://doi.org/10.1007/s00340-008-3135-y.",
    "keywords": "bristol-g2301-a",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/12770/?format=api"
    ],
    "instrumentType": "",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200283/?format=api"
    ]
}