Welcome to the eG Forums, a service of the eGullet Society for Culinary Arts & Letters. The Society is a 501(c)3 not-for-profit organization dedicated to the advancement of the culinary arts. These advertising-free forums are provided free of charge through donations from Society members. Anyone may read the forums, but to post you must create a free account.
here is what I could fined on topside beef joint :
http://www.simplybeefandlamb.co.uk/cuts-beef/topside-beef-joint
and
https://en.wikipedia.org/wiki/Topside
in the first ref's pic , it looks more like bottom round , but it could be to[ round tied up to be circular
as a ref Baldwin says :
Top Round
medium rare 130 F 1 - 2 days
bottom Round
medium rare 130 F 2 - 3 days
Round Roast
M rare 130 F 2 - 3 days
here is what I could fine on topside beef joint :
http://www.simplybeefandlamb.co.uk/cuts-beef/topside-beef-joint
and
https://en.wikipedia.org/wiki/Topside
in the first ref's pic , it looks more like bottom round , but it could be to[ round tied up to be circular
as a ref Baldwin says :
Top Round
medium rare 130 F 1 - 2 days
bottom Round
medium rare 130 F 2 - 3 days
Round Roast
M rare 130 F 2 - 3 days
