[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) › v1.c21.s9.12 # An Encyclopaedia of Indian Archaeology v1.c21.s9.12 An Encyclopaedia of Indian Archaeology v1.c21.s9.12 - **Language:** English ### [v1.c21.s9.12](https://indike.org/pramana/ins.reference.ghosh-1989.v1.c21.s9.12) The Copper Hoard technology appears quite developed if one sees the double-mould-cast harpoons. But the few specimens metallographically examined so far do not show any evidence of annealing or of cold work. - [Previous: v1.c21.s9.11](https://indike.org/pramana/ins.reference.ghosh-1989.v1.c21.s9.11) - [Next: v1.c21.s9.13](https://indike.org/pramana/ins.reference.ghosh-1989.v1.c21.s9.13) - [Up: v1.c21.s9](https://indike.org/pramana/ins.reference.ghosh-1989.v1.c21.s9) --- Source: [https://indike.org/pramana/ins.reference.ghosh-1989.v1.c21.s9.12](https://indike.org/pramana/ins.reference.ghosh-1989.v1.c21.s9.12) · Pramāṇa