Kōrero: Superphosphate

Bones for superphosphate (1 o 2)

Bones for superphosphate

Before rock phosphate was available for superphosphate manufacture, animal bones were used. They were collected from local freezing works, ground up, and treated with sulfuric acid.

Te whakamahi i tēnei tūemi

Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: AANR 6329 26 DA 32815

Ngā whakaahua me ngā rauemi katoa o tēnei kōrero

Te tuhi tohutoro mō tēnei whārangi:

Arthur Duncan, 'Superphosphate - New Zealand superphosphate', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/photograph/15569/bones-for-superphosphate (accessed 16 November 2019)

He kōrero nā Arthur Duncan, i tāngia i te 24 Nov 2008