THE SCHOOL OF FORESTRY IN THE ESCURIAL. 45 



period. 10. Determination of the maximum possible 

 production ; reserves, and successive revision of scheme of 

 exploitation. 11. Systematic management of irregular 

 forests. 12. Valuation of forests, interest, dues, profits. 

 13. Value of the soil. 14, Value of the vegetable 

 covering of the ground. 15. Value of the forest. 



The programme of studies under the head of forest 

 industries embraces: 1. The physical properties of 

 different kinds of woods, and deductions from these 

 relative to principal applications which may be made of 

 them in civil and naval architecture. 2. The exploitation 

 of primary and secondary products of forests ; and the 

 transport of these by land ana Water. 3. Storage, and storage 

 charges of wood ; its conservation by means of substances 

 injected into it; and the preparation of wood pulp. 4. 

 The collection of resin, and preparation of products derived 

 i'rom resin. 5. The preparation of charcoal, charcoal fuel, 

 and potash. 6. Barking of trees, the disposal of bark, and 

 the manufacture of cork. 7. Collection and preservation 

 of seeds for employment in manufactures. 8. Manufacture 

 of oils, essences, and acids from forest seeds. 0. Panago 

 and swine herding, and disposal of primings. 10. Utilisa- 

 tion of dead wood, branches, leaves, and peat. 



In one section of the Cabinet of Forest Industry, confine^ 

 to objects from Spain, there is a collection of models 

 representing a secherie for drying seeds; fanners for 

 dislodging fine seeds ; vertical and horizontal furnaces 

 used in Sweden in the fabrication of vegetable carbon : 

 three carts for transport; and peguiras, or piles of pine 

 wood burnt to make pitch, from Sierra Segura; tools used 

 in disbarking the cork oak, and in the manufacture of 

 corks; and the more important implements used in the 

 collecting of resin ; various collections of wood arranged in 

 boards of different , sizes, comprising specimens from 

 the different provinces of Spain ; and a collection of 200 

 species of these woods, the produce of indigenous; plants, 

 arranged according to the method of Rossmoessler : collar- 



