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/26741/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 26741,
    "uuid": "bdde63fc9f484deda14613b31987c323",
    "title": "University of Bristol: Gas Chromatography-micro Electron Capture Detector (GC-ECD)",
    "abstract": "Gas Chromatography-micro Electron Capture Detector (GC-ECD)  is a technique used to analyse halogenated compounds and is primarily used in the environmental, forensic and pharmaceutical markets.\r\n\r\nThe University of Bristol GC-ECD is a Agilent GC-7890, which measures N2O and SF6 every 10 minutes.",
    "keywords": "GC-ECD",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/9783/?format=api"
    ],
    "instrumentType": "gas_chromatograph",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/112461/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/112462/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168428/?format=api"
    ]
}