Document bOB0K55vYy0ve66xLL2aN2Owg

'/ he Ellintt C- F V auxiliary motor-gciterator serving the Palmolive heaant is rated 3 kw. I he main motor-generator, below, is rated JO kw. It converts JJti-volt d-c to 130-volt d-t' and maintains the steady voltage required by the spectacular Palmolive beacon light. -> solving once every 30 seconds, [is two liillion candlepowcr beam is generated liy a high-intensity carbon arc lamp through a lens 3 It in diameter. The supporting steel-aluminum tower is built to withstand a wind pressure of 100 miles per hour. (In a strong calc the tower sways as much as two feet.) In the center of the tower, encased in Vi-in. steel plates, an automatic elevator rises to a point 15 ft from the top of the structure: this is said to be the smallest passenger elevator in the world. In it two attendants, who service the light when it is in operation, go to work 543 ft above Michigan Avenue. A special ventilating system, involving fans and blowers, is necessary to Cool the beacon proper. 7/l-hp, JfiOO-rpm, vertically-mounted motor drives an extractor in the laundry. KHKA.V SCH INC 1933 PAGE 13