History Salmson 2A2 ～Japan-France relations and aviation industry~
Salmson 2A2 replica （Kakamigahara air and space museum park)
Alex
Kakamigahara museum has many plane. Oh, it is Salm...
Technology
History 
History What is Nirayama Reverberatory Furnace（Nirayama Hansyaro ) ?
Alex
I can understand who built Nirayama Hansyaro. I want to know about this building more detail !
taisuke
Ok...
History Who built Nirayama Reverberatory Furnace (Nirayama Hansyaro)?
※Nirayama Hansyaro is repaired until October 2021.
Alex
Japan has many world heritage, this Nirayama Reverberatory F...