Keywords: Alum Mine at Egeberg (JW Edy plate 56).jpg Artwork Creator John William Edy en Alum Mine at Egeberg No LVI ALUM MINE AT EGEBERG A high mountain called Egeberg is situated on the opposite side of the bay or harbour of Christiania at Opsloe by the church of which winds the great high road leading immediately up the ascent A little way on the right of the road is the alum mine belonging to John Collett Esq of Ulivold from which place he can by the assistance of a glass observe the operations of the workmen here employed It has the appearance of a stone quarry as the materials are wholly collected from its sides and the exterior is much stained with a ferruginous colour The whole hill is composed of a black aluminous schistus schistus niger This species of slate is in colour a deep bluish black hard heavy and moderately shining on the surface capable of receiving a polish and impervious to water; characters written on it are white; it does not strike fire with steel or at all suffer by acids It calcines to a red or pale brown colour which will not stand as a pigment The plates or laminæ in the quarries have a considerable dip to the south They are easily dug by the quarry men who are indifferent about their sizes or forms as small pieces are more convenient for calcination I did not see any collected for school slates nor did I observe upon them any impressions of fem plants insects or fishes ; which are not unusual in the schistus of Somersetshire Wales Yorkshire the Canton of Glaris in Switzerland Lapland c c It is easily removed from its native bed by the workmen with a pick-axe and spade and is then put into small carts and drawn by one horse to the extensive manufactory erected at the bottom of this hill This establishment is well adapted to the chemical operations which the slate is to undergo having the necessary apparatus furnaces for calcining cauldrons for boiling and pits for crystallizing The alum here produced is allowed to be of a good quality and vast quantities are annually shipped for exportation in small vessels from the wharf on the premises lvia 1 A little way up the road above the mine and nearly on a line with the house at its side is the spot from whence the view of Christiania No 49 was taken As you ascend the hill gradually becomes steeper and in a serpentine direction you creep up its side to the top from which it may be a mile and half through the forest to the spot where the view No 55 was taken To the sides of this hill the natives of Christiania exultingly lead all travellers who with themselves are never weary of viewing and pointing out the individual beauties of the scene and of repeating the anecdotes connected with it On one little fertile spot may be seen in the mmd's eye the half-famished army of Charles XII robbing and greedily devouring the scanty produce of the cranberry and juniper-bushes ; on another the triumphant entry of a favourite king or the return of a great patron to the country who are ever greeted with warm hearts Provisions and merchandize are continually passing in abundance to and from the city The long-missing ship entering the harbour the chearful bells and the palace and cottage are objects which harmonize peacefully with each other 1 of Norway Collapse bottom http //urn nb no/URN NBN no-nb_digibok_2011072910001 Boydell's picturesque scenery of Norway London 1820 Plate no 56 p 297 in scanned copy no-nb_digibok_2011072910001 PD-Art-100 John William Edy Boydell's picturesque scenery of Norway Ekeberg |