Ill 



Ktinometer. See Clinometer. 



Klinostat. An instrument for determining the influence of 



gravitation on the growth of plants. 

 Koniscope. A hand instrument consisting of an air-pump and 



observation tube for testing the comparative amount of 



dust in the atmosphere. 

 Kymograph. A rotating drum, upon the surface of which records 



of the occurrence of phenomena under observation may be 



traced by means of suitable apparatus fitted with writing 



points. [4.] 

 Kymoscope. An instrument for demonstrating wave-motion in 



acoustical experiments. 



Laboratory Dividing Engine. A simple dividing engine for 

 physical, chemical, and engineering laboratories. See 

 Dividing Engine. \6, 10, 13, 19, 21.} 



Laboratory Fittings. British make. [2.] 



Laboratory Glassware. British make. [2.] 



Laboratory Governors. For governing the flow of gases. 



Laboratory Meters. For accurate measurement of gas and air. 



Laby String Electrometer. See Electrometer. [4.] 



Lactobutyrometer. An apparatus for ascertaining the quantity 

 of buttery matter in a particular sample of milk. [13, 21, 

 26.] 



Lacto-Densimeter. A form of hydrometer (q.v.) specially gradu- 

 ated for finding the density of milk and thus discovering 

 whether it has been mixed with water, or some of the cream 

 removed. [13, 21, 26.] 



Lactometer. An instrument for estimating the purity or richness 

 of milk : as a measuring glass, specific gravity bulb, or other 

 apparatus ; called also a galactometer. See also Hydro- 

 meter. [5, 13, 15, 17, 21, 26.] 



Lactoscope. An instrument for estimating the amount of cream 

 contained in milk by ascertaining its relative opacity. [21.] 



Lamp-Rotator, Paterson's. An instrument designed by Mr. 

 C. C. Paterson for revolving lamps suspended vertically. 



Lamp-Spinner, Simmance-Abady. An instrument for spinning 

 lamps horizontally or at any angle. [13.] 



Land Chain. An iron or steel chain used by surveyors in the 

 measurement of land. The chain in general use is one of 

 100 links, equal to 66 ft., 10 square chains giving the statute 

 acre. A lighter or shorter chain of 50 links is also used. 

 Land chains are also made 100 ft. in length and 50 ft. [2, 

 5, 13, 15, 16, 17, 20, 21, 24, 25, 26, 27.] 



Land-Marker. A machine for laying out rows for planting. 



Landscape Mirror. See Claude Lorraine Glass. [3, 26.] 



Lantern, Magic. An optical instrument consisting of a case 

 enclosing a light and having suitable lenses for throwing 

 an enlarged image of a small picture upon a screen. [2, 8, 

 17, 20, 21, 26.] 



