| PGA2020 | 
                                        Bartovation | 
                                        100 | 
                                        20" X 20" REUSABLE COBALT CHLORI | 
                                    
                                                                    
                                        | PGA202KP | 
                                        Texas Instruments | 
                                        372 | 
                                        IC INST AMP 1 CIRCUIT 14DIP | 
                                    
                                                                    
                                        | PGA202KPG4 | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 14DIP | 
                                    
                                                                    
                                        | PGA203KP | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 14DIP | 
                                    
                                                                    
                                        | PGA203KPG4 | 
                                        Burr Brown | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 14DIP | 
                                    
                                                                    
                                        | PGA203KPG4 | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 14DIP | 
                                    
                                                                    
                                        | PGA204AP | 
                                        Texas Instruments | 
                                        67 | 
                                        IC INST AMP 1 CIRCUIT 16DIP | 
                                    
                                                                    
                                        | PGA204AU | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 16SOIC | 
                                    
                                                                    
                                        | PGA204AU | 
                                        Texas Instruments | 
                                        35,000 | 
                                        PGA204 PROGRAMMABLE GAIN INSTRUM | 
                                    
                                                                    
                                        | PGA204AU/1K | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 16SOIC | 
                                    
                                                                    
                                        | PGA204AU/1KG4 | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 16SOIC | 
                                    
                                                                    
                                        | PGA204AUE4 | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 16SOIC | 
                                    
                                                                    
                                        | PGA204AUG4 | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 16SOIC | 
                                    
                                                                    
                                        | PGA204BP | 
                                        Texas Instruments | 
                                        23 | 
                                        IC INST AMP 1 CIRCUIT 16DIP | 
                                    
                                                                    
                                        | PGA204BPG4 | 
                                        Texas Instruments | 
                                        35,000 | 
                                        IC INST AMP 1 CIRCUIT 16DIP |