抄録
Munafuda · Heigushi, in this research, are blessed wooden plates for invocations at construction works. The analysis of 91 historic Munafuda · Heigushi of Hashimoto, Wakayama identified as follows; (1) Munafuda-style changed to blank Heigushi-style around 1850's. Heigushi-style with inscription restarted since 1910's. (2) Vertical heights of Munafuda · Heigushi were extended with time; in particular Heigushi-style with inscription was remarkably heightened after 1910's. The transition of Munafuda · Heigushi could be identified by collecting and analyzing multiple Munafuda · Heigushi in a region; therefore, by using it, even blank Munafuda · Heigushi could support identifying construction ages.
