Reflection and comparison of military equipment, techniques and instruments during Ghaznavian and Seljuks in the texts of Tarikh Behagi,Rahatolsodor & Revayatolsoroor and Farsnameh

This paper has studied the reflection of equipment,techniques and military instruments during Ghaznavian and Seljuks in the texts of "Tarikh Behagi ","Rahatolsodor & Ayatolsoroor" and "Farsnameh" in a comparative form. It is a response to the question that to what extent the mentioned texts encompass the issues related to the equipment,techniques and military instruments during Ghaznavian and Seljuks? The authors of this paper have tried to reflect the military issues in these three works and compare them comprehensively. The research method is descriptive _analytical in a librarian form . The research objective is to study the texts of these three works,then it will examined the obtained data regularly. The result of this research indicates that in all three works the military issues are investigated .But in comparison, the text of Tarikh Beihaghi has depicted the military aspects more than others.