Abstract: The development and history of Bronze and Brass alloy products in Isan and Lao Region of dates back to Pre-historic age, the historic age and is still evident in modern times. There was no significant relationship between the approach and development of Alloy in ethnic, thought, belief and pattern of the products. But, there was a similarity between the molding processes of replacing wax. There was also significant relationship between in the application of the products usefulness. For the guideline of product development, the try out of new material was used for variety of material color. It was investigated by Spectrometer. As a result, shade color of new material for 24 colors both Bronze and Brass in order to be used in designing the decorative product. For the producing process, new process of production was used. Consequently, it could reduce the steps of production and increase the amount of production more than the former time. For the design aspect, it could be divided into 3 groups: the low swelled sculpture group, the high swelled sculpture group and the flaoting sculpture group based on thinking basic of design from the Isan and Lao Local Indigenous Knowledge and was relevant to technology progress as follows: The low swelled sculpture product designed from approach of Isan and Lao Kit Cloth, the high swelled product designed from the approach of Heet 12 and the flaoting product mainly focused on new design for serving the consumers need.
Niyom Wongpongkam , Songkoon Chantachon and Subunn Ieamvijarn , 2009. A Study of Isan and Lao Indigenous Knowledge in Making Bronze and Brass Products for Commercial Purpose. The Social Sciences, 4: 191-195.