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Keywords from Image Description:
bookidlaboratoryexercalle bookidlaboratoryexercalle bookyear bookyear bookdecade bookdecade bookcentury bookcentury bookauthorallencharlesricketsonfromoldcatalog bookauthorallencharlesricketsonfromoldcatalog booksubjectphysics booksubjectphysics bookpublishernewyorkhholtandcompany bookpublishernewyorkhholtandcompany bookcontributorthelibraryofcongress