pto4dJamestown Elementary School PTO, Jamestown, Kentucky. 1,176 likes · 1,122 talking about this · 282 were here. The Jamestown Elementary School Parent Teacher Organization, Inc. is aThe thermal stability of PtO 2 and dislocation density within Pt wire were investated using differential scanning calorimetry (DSC), Thermogravimetry (TG), X-ray