Advanced Spectrometer with Turntable and Wooden Storage Case Subcategory_Color and Light Quarter-scale full-body muscular model at

Quarter-scale full-body muscular model at 18 inches tall shows superficial muscle groups in anatomical position

brush springs

sized for breadboarded circuits where the standard 4mm patch wires would overrun the apparatus footprint

rated for student circuit construction and series-parallel investigations where junction-voltage and current-limiting concepts get introduced

Multiplate 2V 45Ah lead-acid accumulator built for heavy current draw

Advanced Spectrometer with Turntable and Wooden Storage Case Subcategory_Color and Light Quarter-scale full-body muscular model atAstronomical telescope with Ramsden eyepiece and cross hairs, three screw prism table, and a 0. 5 degree resolution turntable ship in a polished wooden case for advanced spectrometric work.