VOL. 7, NO. 3
CHEMICAL DIGEST
681
More than 1500 students give their ages hetween 20-39; 500 between 40-49; 123 between 50-59: and 1701 a s less than 21 years of we. ~racti&lly every occupation in N& York c i t y is represented among the students, announced Professor Cohen. The most crowded is teaching, which has a total of 3729. Secretarial and clerical workers number 1139. and bookkeepers, 470. There are 386 who give their occupations as students. It is interesting t o note, also, that 166 housewives regularly attend school a t night. Among the other students are included actresses, artists, blacksmiths, builders, carpenters, cashiers, dancers, designers, draftsmen, editors, electricians, engineers, factory hands, laboratory assistants, milliners, nurses, sales clerks, and lawyers. The most popular courses in the Hunter Evening Session are Methods and Education, with an attendance of 4096, a condition due to the new "mental alertness" requircm a t of the Board of Education, whereby teachers must continue their studies in order to qualify for salary increase. English, with a student enrolment of 2059, is second in popularity. Languages are favorite studies, having the following enrolments: French, 899; German, 853; Italian, 250; Spanish, 2G7; and Classics, 165. Cultural courses are all well attended: art, 538; Speech and Dramatics, 461; Music, 434; totaling 1433. The sciences have a registration of 874; Mathematics, 299; Geology, 151; Chemistry, 126; Biological Sciences, 106; Physiology, 90; and Physics, 42. In the History and Social Science Department there are 781 students, and in the Department af Physical Education, 638. A 31% increase over the preceding semester's enrolment, a total registration of 9879, as compared with the 6850 students of last term, has been noticeable, says Professor Cohen, in view of the decreased enrolment elsewhere. A corresponding increase on the faculty brings the total to 340 instructors. The work of the Evening Session is being carried on in 26 centers of instruction throughout the 5 boroughs of New York City. The student distribution according t o boroughs is as follows: Brooklyn, 39115; Manhattan, 2026; Bronx, 1928; Queens, 1261, and Richmond, 297. Students coming from outside New York City total 462.
For Your Radiator's Sake! From Seidell's "Solubilities of Inorganic and Organic Compounds," vol. 2, is obtained the following table on the freezing points of mixtures of denatured alcohol and water. It may be of some value to you during the winter months, and a look here in time may save nine leaks in the radiator. Per cent by vo1umc of alcahol in mixture
5 10
15 20 25 30 35 40 45 50
'P.
27.0 24.8 21.2 16.7 11.3 5.4 - 0.9 - 7.8 -16.4 -24.0
Freezing Point
OC.
- 2.8 -4.0 -6.0 -8 5 - 11.5 -14.8 - 18.3 -22.1 - 26.9 -31.1 -The Accelerator
