42, Faraday as a Discoverer. 
region of pay to that of honor, papers of mark only being 
chosen for it by the council of the Society. Faraday’s first — 
akerian Lecture, “On the Manufacture of Glass for Optical 
Purposes,” was delivered at the close of 1829. It is a most 
; . . . . U- 
elaborate and conscientious description of processes, preca 
This glass did not turn out to be of important practical use, — 
i 
the reverential helper of araday and the faithful servant of 
this Institution for nearly forty years. 
* Viz. November 19, December 3 and 10. 
+ Bs make the followi from a } 
me from Collingwood, on the 3rd of November, 1867 :-— +s 
“T will take this opportunity to mention that I believe myself to have original’ 
the Suggestion of the employment of borate of lead for optical purposes. 
some’ i 
in consequence, the trial was made in his pty 
street, precipitating and working a large quantity of escaar though 
and fusing it under a muffle in & Porcelain evaporating dish. .A very limpi er set 
Lehtly yellow) glass resulted, the refractive fades race. (which you will, 
down in my table of refractive indices in my article ‘Li E 
politana’). It was, however, too soft for optical use as an object 
day overcame at least to a consideral) 
Regarding Anderson, 
casion that is thus offered 
e degree, by the in I ‘i 
Faraday Writes thus in 1845:—"T cannot resist en 
to me of menti ming the name of Mr. Anderson, W! 
that time; and to his care, steadiness, aor ating po 
faithfulness in the performance of all that has been committed to his 
much indebted.—M, F”_. . , Vol. iii, p. 3, footnote. 
, 
) 
i 
