New uvbybeta observations of 51 eclipsing binary stars are presented, and outside-eclipse averages for 45 of them are given. Many of these binaries are detached main-sequence pairs that have been discovered to be double-lined spectroscopic binaries and appear suitable for determinations of accurate absolute dimensions and masses. Photometric properties are recomputed for 14 of the binaries, for which absolute properties have been published previously. Intercomparisons are made with previous photometry, when available, and notes are given for some individual systems. References: 30
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