[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Reference works](https://indike.org/pramana/ins.reference) › [An Encyclopaedia of Indian Archaeology](https://indike.org/pramana/ins.reference.ghosh-1989) › v2.c29.68 # An Encyclopaedia of Indian Archaeology v2.c29.68 An Encyclopaedia of Indian Archaeology v2.c29.68 - **Language:** English ### [v2.c29.68](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c29.68) Technologically a distinctive feature of the industry is the virtual absence of the crested-ridge-guiding technique \[16.15.2\]. Although occasional tools measure 40 mm or more in length most are between 15 and 20 mm and some measure only 5 to 10 mm. These latter are perfectly symmetric in form and are very carefully retouched. It is indeed a puzzle as to how such tiny pieces could at all have been hafted and used. - [Previous: v2.c29.67](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c29.67) - [Next: v2.c29.69](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c29.69) - [Up: v2.c29](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c29) --- Source: [https://indike.org/pramana/ins.reference.ghosh-1989.v2.c29.68](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c29.68) · Pramāṇa