Calendar: 1931-1932 Page 233

FACULTY OF ENGINEERING 231 electrical engineering The Laboratory is open for day Students from 10 to except on Saturdays when it closes at Occasional Students attend the Laboratory at times to specially arranged by the Professor Regular Students are admitted to the Courses of Lectures and Laboratory Work in Electrical Engineering after the First Year of the Three Years' Course They must produce qualifying Certificates in connection with their first year's work Students who have not passed Preliminary Course at the College equivalent to the First Year's Course can be admitted on producing the same qualifying Certificates as are mentioned in the preceding clause or other evidence of equal proficiency in these subjects The William Siemens Laboratory The William Siemens Laboratory is open throughout the week for advanced Students whose preparation qualifies them for conducting original researches under advice and direction of the Professor The Laboratory is provided with two overhead travelling cranes to carry tons line of shafting capable of transmitting 100 horse power at 250 revolutions per minute and pit 30 feet by feet by feet deep for testing purposes The Laboratory Equipment includes one Siemens 8-pole revolving field type Alternator 1- 2- or 3-phase 100 kilowatt at 750 revolutions per minute specially constructed to give varying volts for laboratory pur- poses Siemens shunt wound Motor 75 with commutator poles Siemens shunt wound open type 4-pole Motor 25 One Siemens compound wound 4-pole Generator 500 to 550 volts 90 amperes 750 revolutions per minute Two Dick Kerr shunt wound open type 4-pole Motors 25 One 20 kilowatt Westinghouse Rotary Converter for 1- 2- and 3-phase Alternating Currents One kilowatt 2- phase Rotary Converter and the necessary controlling and measur- ing apparatus One Hewittic mercury arc 40 ampere rectifier Two Siemens direct-current machines each of 11 kilowatt output at 880 revolutions per minute specially arranged for differential testing Two Alternating Current machines each of 10 kilowatt output similarly arranged for differential testing Siemens In- duction Motor for 1- or 2-phase working Westinghouse 3- phaae Induction Motor Two 3-phase Induction Motors arranged for cascade work and pole changing Heyland single- phase Induction Motor 14 kilowatt 100 000 Volt Transformer and others of lower voltage tramcar equipment consisting of Brill undertruck fitted with two 35 Dick Kerr Motors with trolley controllers rheostats &c for series parallel working also