Motion picture handbook; a guide for managers and operators of motion picture theatres ([c1916])

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658 MOTION PICTURE HANDBOOK A complete revolution of the right-hand dial would be 1,000 watt-hours, but the pointer has just reached division 1, which being one-tenth of 1,000, is 100. We therefore put down 100. 10.000.000 WATT HOURS No. 1. No. 3. 10.000.000 WATT HOURS 10.000 1.000 KILOWATT HOURS No. 2. No. 4. Facsimiles of Meter Dials. Figure 312. The next dial stands at 1, which since one division is onetenth of the total of 10,000 equals 1,000, therefore we set down 1 at the left of the 100, and have 1,100. The next dial also stands at 1, which being one-tenth of 100,000 is 10,000, so we set down another 1 to the left of the 1,100 and we have 11,100. The next dial stands at 1, so we set down another 1 to the left and have 111,100, and last, the 1,000,000 dial stands at 1, which call for still another 1 at the left and we have a final reading of 1,111,100 watt-hours. Taking No. 3, which reads in kilowatt-hours, we apply the same principles. The right hand dial registers up to 10 kilowatt-hours. The pointer has passed the 1, but has not reached the 2, so we put down a 1, that being one-tenth of the total of 10. The next dial to the left has passed the 2 but has not reached the 3, therefore we put down a 2 to the left of the 1. The next dial reads 1 and the next 9, so that we have a total reading of 9,121 kilowatt-hours. This seems to be plain enough to be readily understood by almost anyone, but we will consider one more example — No. 2, Fig. 312. Three of the dials stand at 0, the right hand dial stands at 9, and since the total value is 1,000, we would have 900 to