68 APPENDIX. 



The price of the motive power, for the present, is at the rate of 

 150 to 200 francs (£6 to £10) per annum for each horse-power, 

 according to the greater or lesser power demanded by each 

 individual establishment. Beyond the four above-named works, 

 others are in contemplation in the so-called " Undertown" ofErei- 

 burg on the Saane, namely, a paper manufactory ; further on a 

 gypsum and pottery factory ; and on the heights of PeroUes a 

 stone-sawing mill, and a barley-grinding mill ; and I am convinced 

 that when once the above-named works get into full operation 

 many others such will follow. 



In connection with the gypsum works, which, as well as the clay 

 pottery, are situated in the valley of the Saane and near the ice- 

 houses, it may be mentioned here that the Company have dis- 

 covered a rich deposit of gj^psum, the raw material from which is 

 converted into use by both pulverizing it for manure and by 

 calcining it for making plaster of Paris of it. The gypsum fabric 

 is connected with clay pottery works, so as to keep the regular, 

 staff of men continuously employed — the gypsum for the winter, 

 and the pottery works for the summer. 



6.— The Waterworks and Reservoir on the heights of Quintzet 

 for the supply of Drinking Water for the Town of 

 Freiburg. 



The waterworks for supplying Ereiburg with good drinking 

 water is divided into the lifting and into the delivery trans- 

 mission. The lifting work extends from the pumping at the 

 hydraulic workshop on the Saane to the reservoir on the highest 

 point of Perolles ; whilst the delivery starts downwards from the 

 Perolles reservoir to the remotest parts of the vindertown of 

 Freiburg. As already stated, this lifting operation of sending 

 waters from the Saane up to the reservoir at Quintzet is done 

 by four of Girard's double pumps, which will be driven by either 

 one or two of the turbines. Prom the reservoir on the heights 

 of Perolles or Quintzet down to the remotest parts of the town, 

 the operation will be simply by the gravitation and the pressure 

 of the water itself. 



The quantity of water which these four pumps will deliver 

 every minute is estimated to reach 3,100 litres (682 gallons). 

 This quantity of pure drinking water will be equal to a quarter 

 of the total water consumption of the town, when once the whole 

 population avail themselves of this new method of water supply, 

 but which may probably not be very immediate. 



The pumps were made by Eoy & Co., of Vevay, and are of the 

 same construction as those which that firm delivered for the 

 waterworks in Zurich and at Penay near Geneva, to the entire 

 satisfaction of those who ordered them. In connection with the 

 water conduit is an air reseivoir, by which the motion of the 

 water in the main is regidated. 



