— 23 — 



Physics — Continued. 



Kinealy, J. H. The pressure of the wind ou roofs and inclined sur- 

 faces. 5 : 3-4 $4.00 

 Nipher, F. E. (Air vortices). 4:1. 2.00 



(A cheap recording instrument for Robinson's anemometer and 



the anemonescope). 3:4 •< 

 (Determination of Johle's equivalent). 6:18 .50 



(Determination of the latent heat of vaporization). 6 : 18 " 



(Determination of the constant for a galvanometer). 4 : ;; 2.00 



(Distortion of a magnetic field by means of explosions). 13 : 9 .25 



(Experiments in binocular vision). 3:4 2.00 



(Experiments with colored glass). 3:3 " 



(Fire-alarm apparatus). 3:4 «« 



(Formation of vortex in water). 4:2 " 



The f rictional effect of railway trains upon the air. 7 : 20 .50 



10:10 .25 



(Kapp's method of prediction for dynamos). 5: L-2 4.00 



The law of contraction of gaseous nebulae. 13 :5 .25 



The law of minimum deviation of light by a prism. 7:4 " 



A method of measuring the pressure at any point on a struc- 

 ture, due to wind blowing against that structure. Pis. I— II. 

 8:1 



On a new form of lecture galvanometer. 3 : 3 2.00 



On a rotational motion of the cathode disc in the Crookes tube. 



7:7 .25 



On certain problems in refraction. 4 : 2 2.00 



On gravitation in gaseous nebulae. 9:4 .25 



On the electrical capacity of bodies and the energy of an elec- 

 trical charge. 7:2 " 



On the expression of electrical resistance in terms of a velocity. 



4:3 2.00 



On the scale value of the Dellman electrometer used by Dr. "A. 



Wislizenus. 5 : 1-2 4.00 



(Phenomena of four-phase currents). 6:18 .50 



Physics during the last century. 11 : 6 .25 



Primitive conditions in the solar nebula. 14:4 .50 



(Production of ether disturbances by explosions). 11 : 11 25 



(Production of ether waves by the explosion of dynamite). 



' 12:10 



(Production of ether waves by means of explosions). 13 : 9 



(Reis telephone). 4:4. 2. CO 



(Resistance-bridge for air currents). 7:20 .50 



Rifle balls in water). 5:1-2 4-00 



(Some present problems in Physics). 14:8 



The specific heat of gaseous nebulae in gravitational contrac- 

 tion. 11:4 



(Tracks of ball lightning discharges on pieces of pine wood). 



11:11 



Seddon, J. A. (Intensity of light). 5:3-4 4-00 



Roever, Wra. H. (The effect of the earth's rotation upon falling 



bodies). 11:11 - 25 



75 



25 



