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[[triangle symbol in top left margin]] 80 [[red underline]] machine [[/red underline]] for training aviators. Seems to think well enough of it to try it. [[red underline]] Carthy [[/red underline]] who was present thinks well of it too. Then [[red underline]] Kettering [[/red underline]] shows me in the laboratory some of the devices he has already installed made up from known parts of already obtainable engines which will insure control for [[red underline]] "Sperry's bird". [[/red underline]] He has succeeded in every part of an [[red underline]] aneroid barometer [[/red underline]] and connecting it [[red underline]] with rubber tubing [[/red underline]] to some kind of electrical [[red underline]] relay [[/red underline]] of moving a piano player lever (pneumatic) by lifting or lowering the barometer 3 feet. Paid 24.60 for train & berth to New York double this and add for Hotel 7.50 meals [[end page]] [[start page]] 81 taxi [[strikethrough]] 24 [[/strikethrough]] 85 [[strikethrough]] 1.00 [[/strikethrough]] train coming 24.60 meals on train 2.00 tips 90 Breakfeast Hotel 75 Supper 1.00 Breakfeast. 75 Lunch. 85 [[right margin]] 75 100 75 85 --- 33.5 [[/right margin]] Return. Train & berth 24.60 (Berth?) Meal 1.25 Breakfast 1.00 Tips 70 Taxi 1.00 Colonel [[red underline]] Carthy [[/red underline]] had a drawing room and invited me. Talked on pending problems till late We feel [[red underline]] very confident in Sperry's device [[/red underline]] The mountains and fields all full of snow Streams all frozen. It is very cold. Feb 5. train should have arrived at 9 [[red underline]] A.M. [[/red underline]] Instead it arrived in New York at [[red underline]] 4:45 P.M. [[/red underline]] Went to sleep at Chemists Club Took supper at [[strikethrough]] Century [[/strikethrough]] ^[[University]] Club Very cold