This text is missing some spaces, please add them: Select/clickonthe"Webmastertools"dropdownatthetoprightcorneroftheinformationalpageforthegadget.
Select/click on the "Webmaster tools" dropdown at the top right corner of the informational page for the gadget.

This text is missing some spaces, please add them: HisthesissupervisorwasKleinwhohadbeenappointedtoachairattheTechnischeHochschuleatMunichafewyearsbeforein1875.
His thesis supervisor was Klein who had been appointed to a chair at the Technische Hochschule at Munich a few years before in 1875.

This text is missing some spaces, please add them: Ifyoucanhelpwithaidentifysomeofvapenemarked"unknown",pleasedoit.
If you can help with a identify some of vapene marked "unknown", please do it.