https://archive.org/details/royalobservatory00maun?view=theater
Introduction.--Flamsteed.--Halley and his successors.--Airy.--The observatory buildings.--The time department.--The transit and circle departments.--The...
royal observatory greenwichglancehistory
https://www.huntington.org/collections/lib-mssgla-1-759-aspace-f8807ad375dc239edb5d8260488e0f1d
The collection consists of a small number of manuscripts by and about Gladstone, as well as photographs, engravings, prints and ephemera. The bulk of the...
edward walterhamiltonsircard