Harvais micronutrients

Originally formulated by Harvais. I have no additional information. If anyone has a reference for the original formulation so I can properly attribute it, please pass it along.

H3BO3 500 mg  CuSO4 * 5 H2O 25 mg  ZnSO4 * 7 H2O  500 mg Na2MoO4 * 2 H2O  20 mg Co(NO3)2 * 6 H2O 25 mg KI 100 mg MnSO4 * H2O 1540 mg NiCl 1 mg