JOHN WILLIAM DRAPER. 



1843. 



On the rapid detithonizing power of certain gates ami vapors, ami on an 

 instantaneous means of producing Spectral appearances. Phil. Mag., Ill, 



xxii, 161-165, March, 1848. (Sturgeon's Ann. Eire, \, 182 166. Froriep 



Notizen, II, xxv, 340-343, 1843.) 



On a now system of inactive, tithonographio spaces in tin- solar spectrum 

 analogous to the fixed lines of Fraunhofer. Phil. Mag., Ill, xxii. 860 864, 

 May, 1843. 



On the tithonotype, or art of multiplying daguerreotypes. Phil. Mag., 

 Ill, xxii, 866, May, 1848. 



On the decomposition of carbonic-acid gas and the alkaline carbonate-, by 

 the light of the sun, and on the tithonotype. Proc, Am. Phil. Soe., iii, 111- 



114, May, 1843. /'A/7. Mag., Ill, xxiii, 161-176, September, 1848. {Rep. 



Brit. Assoc, 1843, Pt. 2, 33-34; Chemist, 1848, iv, 111 446; Am. ./. Set., 

 I, xlvi, :;•.!!"!, 1844; Ann. Chim. Phy8.,x\, 214-228, 1844; ./. Pr. Chem., xxxi, 

 21-39, 1844; Napoli Rendi Conto, iii, 297-806, 1844.) 



On the law of the conducting power of wires. Am. ./. Set., 1, xlv. 892, 

 July-September, 1848 (Arehw. tb I'Elec., vi, 829-880, 1*44). 



On a change produced by exposure to the beams of the sun in the proper- 

 ties of an elementary substance. Rep. Writ. Assoc., 1843, Pt. 2, 9. Phil. 

 Mag., Ill, xxiii, 388, November, 1813. {Chemist, iv, 442-443, 1813 ; Am. 

 J. Set., I, xlvi, 890, January March, 1K44.) 



Description of the tithonometer [chlorhydrogen photometer] ; an instru- 

 ment for measuring the chemical force of the indigo-tithonie rays. Phil. 

 Mag., Ill, xxiii, 401-405, December, 1843; Am. J. Bet., I, xlvi, 217-282, 

 January-March, 1844. 



1844. 



On Mr. Hunt's book entitled " liesearches on Light.'' Phil. M<i<j., HI, 

 xxv, 49, July, 1844. 



On tithonized chlorine. (Head at the meeting of the British Association 

 in Cork in 1843.) Phil. May., Ill, xxv, 1-10, July, 1844. 



Further considerations on the existence of a fourth imponderable. PhiL 

 Mag., Ill, xxv, 103-lKi, August, 1844. 



Note on the decomposition of carbonic acid by the leaves of plants under 

 the influence of yellow light. Phil. Mag., Ill, xxv, 169-178, September, 

 1844. 



1845. 



b capillary action an electrical phenomenon ? Phil. Mag., Ill, xxvi, 

 185-189, March, 1846. 



On the interference spectrum and the absorption of the tithonic rays. 

 Phil. Mag., Ill, xxvi, 4C5-47S, June, 1845. 



On the allotropism of chlorine as connected with the theory of substitu- 

 tions. Am. J. Set., I, xlix, 846 868, July-September, 1845. Phil. Mag., 

 Ill, x.xvii, 827-846, November, 1845. (JKM. VmnerseUe, Ix, 865-879, 1845; 

 J. Pr. Chem., xxxvii, 103-109, 1846; ./. Pharm., ix, 898-899, 1846.) 



385 



