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/46010/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 46010,
    "uuid": "6568f4f3332648f488fd7ed4d4e8f0c4",
    "title": "University of Bristol ADS GC-MS",
    "abstract": "A gas chromatograph–mass spectrometer (GC-MS) with a custom-made adsoption-desorption pre-concentration system (ADS), used as part of the Advanced Global Atmospheric Gases Experiment (AGAGE) programme at the Mace Head atmospheric monitoring station. This instrument used an HP 5973 quadropole MS. See Prinn et al. (2000) for more instrument details: https://doi.org/10.1029/2000JD900141",
    "keywords": "bristol-gc-ms-ads",
    "identifier_set": [
        "https://catalogue.ceda.ac.uk/api/v2/identifiers/13886/?format=api"
    ],
    "instrumentType": "gas_chromatograph",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219940/?format=api"
    ]
}