Name/Title
Hoover Dam construction: power generation June 24, 1937Entry/Object ID
0002:1460Description
Hoover Dam - construction: power generation: "Rotating field for the generator for unit N5 (Nevada 5) under erection. Field poles installed ready for testing." June 24, 1937; The rotating field is composed of 40 800-lb. magnets to the generator rotor. The poles sticking up are called wedges, which hold the magnets in place by spreading apart, there by tightening them into place.; Rupert Spearman, photographer; USBR photo/BCP 03927Collection
Hoover Dam - Electrical Equipment, Hoover Dam Construction, Bureau of ReclamationMade/Created
Artist Information
Artist
Spearman, RupertRole
PhotographerDate made
Jun 24, 1937 - Jun 24, 1937Notes
Original or Negative: Original
[Rupert Spearman, photographer] [USBR photo/BCP 03927]Lexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
Print, PhotographicNomenclature Primary Object Term
PhotographNomenclature Sub-Class
Graphic DocumentsNomenclature Class
Documentary ObjectsNomenclature Category
Category 08: Communication ObjectsSearch Terms
Mr. Reyes, Mr. Graves, Hoover DamOther Names and Numbers
Other Number
Negative No.: N/ADimensions
Dimension Notes
Printsize: (8 x 10)Location
Location
* Untyped Location
Research roomDate
December 30, 2025General Notes
Note Type
Cataloging NoteNote
[The rotating field is composed of 40 800-lb. magnets to the generator rotor. The poles sticking up are called wedges, which hold the magnets in place by spreading apart, there by tightening them into place.]Created By
admin@catalogit.appCreate Date
November 30, 2020Updated By
bcmha.archives@gmail.comUpdate Date
December 30, 2025![0002:1460: Hoover Dam construction: power generation: "Rotating field for the generator for unit N5 (Nevada 5) under erection. Field poles installed ready for testing." June 24, 1937 [The rotating field is composed of 40 800-lb. magnets to the generator rotor. The poles sticking up are called wedges, which hold the magnets in place by spreading apart, there by tightening them into place.] [Rupert Spearman, photographer] [USBR photo/BCP 03927]](https://d8e7jbdw4fu0e.cloudfront.net/4452/5a550b20-3275-11ef-9710-0353544546bc-v7UHME6.lg@2x.jpg)