. Electric railway review . t into winding room .... 104 0 0 7 57 0 3 171Armatures for mechani-cal trouble 74 0 0 7 56 0 3 140 Armatures for electrical trouble 7 0 0 0 1 0 0 8 Armatures for Inspei tion 2:: 0 0 0 0 0 0 23 Armatures wound 3000000 3 Armatures O. K. in stock IS 4 0 4 3 11 31 Commutators renewed. .6 0 0 0 000 6 Commutators turned S3 0 0 8 24 0 2 117 Armatures to wind 000000 0 Field coils O K. in stock 101 14 0 71 4 0 0 190 Field coils wound 0 00 0 00: 2 Field coils repaired 1 0 0 0 0 2 12 FieM coils used 46 0 0 0 0 0 0 46 Controller magnets repaired 12 Controller magnets wound 3 Fi
. Electric railway review . t into winding room .... 104 0 0 7 57 0 3 171Armatures for mechani-cal trouble 74 0 0 7 56 0 3 140 Armatures for electrical trouble 7 0 0 0 1 0 0 8 Armatures for Inspei tion 2:: 0 0 0 0 0 0 23 Armatures wound 3000000 3 Armatures O. K. in stock IS 4 0 4 3 11 31 Commutators renewed. .6 0 0 0 000 6 Commutators turned S3 0 0 8 24 0 2 117 Armatures to wind 000000 0 Field coils O K. in stock 101 14 0 71 4 0 0 190 Field coils wound 0 00 0 00: 2 Field coils repaired 1 0 0 0 0 2 12 FieM coils used 46 0 0 0 0 0 0 46 Controller magnets repaired 12 Controller magnets wound 3 Field Coils. In western Tennessee February is considered as one of the most severe months for motors, but it is an interesting fact that since August, 1905. only 67 field coils have been lost on the Memphis lines. However, in anticipation of trouble. the company plans to have in stock a large number of field coils that can be pressed into immediate service. These are made at times when other work in the winding room is Shop Practice at Memphis—Firing Eno of Sand-Drisr. On January 15, 1907. the company had in its winding roomSS field coils for type-SOO motors, 71 for type-67 motors. 12for type-57 motors and 14 for motors. The method of winding field coils is unique in many re-spects. Between the layers of wire forming a coil. Standardvarnish is applied with a brush and sheet asbestos is usedin filling. After the winding has been completed the termi-nal plates are soldered on and insulated, and the coil is January 26, 1907. ELECTRIC RAILWAY REVIEW 109 thrown into a pan ot Standard varnish where it is allowedto soak until the insulation is thoroughly saturated. Thecoil is then placed in the bake-oven and subjected to a tem-perature of 195 degrees F. during the night. The followingday the coil is again dipped in varnish and allowed to air-dry. The webbing is then applied, the terminal plates cov-ered with asbestos tape and the coil dipped in a vat of Ster-ling bl
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
