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/24966/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 24966,
    "uuid": "3fc9562798b44d0ab01695abf3f4aea7",
    "title": "University of Aberdeen Thermo TRACE GC Ultra",
    "abstract": "The instrument is a gas chromatograph which is equipped with two FIDs (flame ionization detector) for carbon dioxide and methane. It also inclues an ECD (electron capture detector) for nitrous oxide. These are used for analysis of discrete air samples either injected by manual injection or via an auto-sampler.",
    "keywords": "Thermo TRACE GC Ultra",
    "identifier_set": [],
    "instrumentType": "gas_chromatograph",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102233/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102234/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168432/?format=api"
    ]
}