江戸城の石垣

auto-translate Of Edo Castle
Pheasant bridge （ Chiyoda-ku, kudan-Minami ） from stone excavated using the early Edo period (early 1600s) ' beat embedded lespedeza ' and reproduces the technique of masonry called in. So easy to crack to crack the stones at the time along the stones digging arrow hole in stone chisels, called 'arrow' in this wedge and that both sides ' auctions? "and thin iron plate called the mail merge, banging the arrow in the '玄翁', divided (right figure). Remain stone grouts when arrow hole along with the stamp clan made cut and masonry stone, masonry, etc..

auto-translate 江户城堡的
雉鸡桥千代田区九段南） 从石出土使用江户初期 （17 世纪早期） 打败嵌入式胡枝子和转载了砌体的要求的技术。
那么容易裂纹，裂纹沿石头挖石凿子，称为 '箭头' 这种楔形和那两个箭头洞时间石头边的拍卖吗？"，薄铁板被称为邮件合并，砰砰地箭头在 '玄翁'，划分 （右图）。保持石材瓷砖用灰浆箭洞和邮票家族进行切割时、 砌石、 砌体等......