Aperçu gratuit du livre The Practical Miner's Guide; Comprising A Set Of Trigonometrical Tables, Adapted To All The Purposes Of ... Dialling ... Also A Treatise On The Art And Practice Of Assaying Silver, Copper, Lead, And Tin, Etc. [with Plates.]
The Practical Miner's Guide; Comprising A Set Of Trigonometrical Tables, Adapted To All The Purposes Of ... Dialling ... Also A Treatise On The Art And Practice Of Assaying Silver, Copper, Lead, And Tin, Etc. [with Plates.]