diff --git a/src/classes.py b/src/classes.py
index be30eab..0001cec 100644
--- a/src/classes.py
+++ b/src/classes.py
@@ -16,8 +16,9 @@ class Layer:
             self.extra = layer_data["metadata_decoded"]["extra_fields"]
             self.layer_number = self.extra["Layer Progressive Number"]["value"] # integer
             self.target_elabid = self.extra["Target"]["value"] # elabid
-            self.rheed_system_elabid = self.extra["RHEED System"]["value"] # elabid
             self.laser_system_elabid = self.extra["Laser System"]["value"] # elabid
+            self.chamber_elabid = self.extra["Chamber"]["value"] # elabid
+            self.rheed_system_elabid = self.extra["RHEED System"]["value"] # elabid
             self.start_time = layer_data.get("created_at")
             self.operator = layer_data.get("fullname")
             self.description = layer_data.get("body")
@@ -71,6 +72,16 @@ class Layer:
             # Some keys are not required and can be called through the .get() method - which is permissive and allows null values;
             # Other keys are required so if they can't be called (invalid or null) raise error and stop execution of the program:
             raise KeyError(f"The provided dictionary lacks a \"{k}\" key. Check the deposition layer entry on eLabFTW and make sure you used the correct Experiment template.")
+    def get_instruments(self, apikey):
+        raw_lasersys_data = APIHandler(apikey).get_entry_from_elabid(self.laser_system_elabid, entryType="items")
+        raw_chamber_data = APIHandler(apikey).get_entry_from_elabid(self.chamber_elabid, entryType="items")
+        raw_rheedsys_data = APIHandler(apikey).get_entry_from_elabid(self.rheed_system_elabid, entryType="items")
+        instruments_used = {
+            "laser_system": raw_lasersys_data.get("title") or None,
+            "deposition_chamber": raw_chamber_data.get("title") or None,
+            "rheed_system": raw_rheedsys_data.get("title") or None,
+        }
+        return instruments_used
 
 class Entrypoint:
     '''