Delivery Divided Into Parts: Part No. 1: Single-Lens (Slr) Point Luminance Meter For Measuring Light Sources And Surface Brightness; Part No. 2: Mobile Dosimeter Based On A Spectrometer Enabling Measurement At Time Intervals, For Research Work Envisaged In The Project Entitled: "Research Group - Sup&Er - Research On The Energy Efficiency Of Cities And Solar Efficiency" No. Dec - 12/1/2022/Idub/Ii.1A/Au Carried Out At The Faculty Of Architecture Of The Gdańsk University Of Technology.