Skalenphotometer DurchschnittSimilarWellesley Thoracimeter - Glass negative photogrpah. Public domain.STS084-339-005 - STS-084 - DTO 1118 - Mir surveySlagexflintlåsstudsare - Livrustkammaren - 17784-negativeKoperen bazuin - Rijksmuseum public domain dedicationNähmaschinen-Tafel1-Fig7. Image from Zeno.orgPRESENTATION CLOCK TO ARNOLD W FRUTKINMoreRelatedSpectrophotometer - A diagram of a radio with instructions to use itSnidad fotoram med fotografi, Arkitektur- och designcentrumHoekmeter - Public domain drawingDeuotissime MeditatiMeasure for Measure Lithograph - Drawing. Public domain image.Snidad fotoram med fotografi, Svensk arkitektur och designMoreSkalenphotometer Durchschnittfile_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummaryDeutsch: Skalenphotometer (Durchschnitt)label_outlineTagsphotometersdate_rangeDate1888createSourceMeyers KonversationslexikonlinkLinkhttp://commons.wikimedia.org/copyrightCopyright infopublic domain