398 Domestic Intelligence. 
my. acquaintance with. Mr. Schmeisser,* the pupil of »Wer- 
ner,—with Dr. Babington, and Dr.. now. Sir, Alexander 
Creighton, afforded me access to most of the collections:then 
forming in this metropolis; I availed myself of those oppot- 
tunities of beginning the small. collection now deposited sin 
your college. I also added to it many valuable articles»par- 
chased. at. the celebrated cabinet of the late Earl of Buté. 
The beautiful specimens of dendritical marbles were derived 
from the latter source. Shortly after my return to New- 
York, with the assistance of the late. Dr. Bruce, who was 
then my + private pupilin medicine, I arranged and marked 
the several specimens in that collection. This exercise 
first awakened Dr. Bruce to this subject, and laid. the fouti+ 
dation for his knowledge in that interesting branch of ‘natu- 
ral history, in which he afterwards became so distinguished: 
From time to time I hope still te make such additions:te 
the above cabinet, as:to render it more deserving of notice: 
As the first collection that. crossed the: Atlantic, and as the 
parent of 1 many others.of much greater value and extenty it 
perhaps meritsregard.as such. I shall endeavour to improve 
it and increase its usefulness as a source of instruction tothe 
pupils of Nassau Hall. With my best wishes for r the mer 
perity of the institution, Iam, dear Sir, i fie 
Respectfully yours, 
— DAVID. HOSACK.. 
Sacos Grezy, sss it of Natural Rbsterys mn ph echeee: 
3. New Graduating Instrument.—T he, Editor bids bein 
lately favoured with a drawing and description of an instru- 
ment invented by Mr. Thomas Kendall, Jr. of New Leba- 
non, N. Y. and sik by him the Universal Graduator. “It 
furnishes a mode, inferior we présume to none hitherto 
known, in point of expedition and accuracy, of dividing a 
line of given length into any desired number of équal parts. 
The principal use to which the inventor proposes to apply: 
it, isto the graduating of thermometer scales. — a not. 
* This Sy Teed gave in the winter of 1 7183—4, the first course of Jee 
tures on M ineralogy ¢ ever delivered in the city of London. I had the pleasure 
of being one of his hearers. 
¥ In the Biography of Dr. Bruce, contained in Silliman’s Journal, this 
fact is not mentioned and appears not to have been known to the writer. 
