Electrical Demonstration Apparatus by Manley (Incomplete)

A wooden case with a hinged lid containing 7 wooden spools, 1 copper alloy strip, 2 copper alloy screws, 1 copper alloy nut, 1 copper alloy with circle with four screw threads holding four nuts, 1 copper alloy protractor, 1 metal square brace, 1 copper alloy block with copper alloy strip attachment, 1 copper alloy rod with two moveable collars one of which has a pointer, 1 copper alloy block with halfpipe groove, 1 copper alloy cylinder with two holes in the side, 1 metal cylinder with black finish and gear, 1 copper alloy cup with rotating base containing Wax, 1 copper alloy attachment with spring, 1 copper alloy attachment with rectangular stage, 1 wooden block with copper alloy gear system and spring, 1 box with three bulbs.