This paper reports the result of investigation on the old carpentry tools has kept in the Tenaka family’s house and included in the historical materials of Tenaka-Myoou-Taro which designated Isehara City cultural property. This report will be posted in split in two parts. 1. Carpentry tools were made from the late Edo period until the early Showa period. 2. The carpentry tools surveyed were 36 saws, 57 chisels, 20 gimlets, 14 hammers, and 3 adzes. 3. Some masterpiece works are included such as Kyusaku Nakaya at the end of Edo period.

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This paper reports on the short biography of Kumajiro Kato, the famous carpenter known by the story of　Edokuma chisels and the protection knife that he left behind to his grandchild. The main points are as follows. 1. Kumajiro Kato was a actual person, was born in Kamogawa, Chiba in 1873, was active as a carpenter in Kujo, Osaka and Takarazuka, Hyogo then died in May 1942. 2. From the interview with relatives and related documents, it is able to confirm the truth about some of the legends related to Kumajiro Kato, especially on his last term and his daughter. 3. The protection knife that Kumajiro Kato left to his grandchild was made in 1942 by well-known master blacksmith Korehide Chiyozuru.

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A survey was conducted in 2015 on the carpentry tools used in the province of Gansu, China, following the 2014 survey in Shanxi province, in attempt to investigate and compare with the 2013 survey results on the carpentry tools used at the Maintenance Center of the Palace Museum. This survey focuses on the tools of 3 carpenters of Yongjing County and 1 carpenter of Dunhuang City. This article reports the following 4 main discoveries from the Gansu survey. 1. The standard set of carpentry tools used in Gansu contains 38~49 types of tools, which differs among different carpenters. Fewer tools were used in Gansu than at the Maintenance Center of the Palace Museum(54 types) ; however, it contains the main tools like saws, planes and chisels, same as Shanxi. 2. The standard set of carpentry tools is almost the same through out Gansu, though it crosses more than 1,600km from the east to the west. And since the carpenters of Yongjing county contract for most of the repair work of historical buildings in Gansu, it shows the present carpentry situation of the province. 3. As the same as Shanxi, there is no clear distinction between the carpentry work and the joinery work in Gansu, though they were clearly separated at the Palace Museum. It shows a feature that local areas' carpenters have a preference for tools which are easy to carry out and could be used in multiple ways. 4. It is found that carpenters of Gansu use many kinds of gravers and most carpenters live by building normal houses including making doors, windows and even furniture. This may be resulted from that there are few wooden historical buildings in Gansu.

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