Henry Davis Hoskold – författare

Practical Treatise On Mining, Land and Railway Surveying, Engineering, &c

Practical Treatise On Mining, Land and Railway Surveying, Engineering, &c

Engineer's Valuing Assistant

Being a Practical Treatise On the Valuation of Collieries and Other Mines With Rules, Formulæ, and Examples Also a Set of Valuation Tables

Official Report Upon the Mines, Mining, Metallurgy and Mining Laws, &c., &c. of the Argentine Republic

Engineer's Valuing Assistant

Being a Practical Treatise On the Valuation of Collieries and Other Mines With Rules, Formulæ, and Examples Also a Set of Valuation Tables

Official Report Upon the Mines, Mining, Metallurgy and Mining Laws, &c., &c. of the Argentine Republic

Engineer's Valuing Assistant

Being a Practical Treatise on the Valuation of Collieries and Other Mines...

Practical Treatise on Mining, Land and Railway Surveying, Engineering, etc.

Containing the errors of the magnetic needle, practical geometry and trigonometry