Aug 4-5th was the Vintage Computer Festival West at the Computer History Museum in Mountain View. Here’s a few photos of some of the exhibits:
View of the exhibitors 
@foone ‘s floppy and optical disk display 
Mechanical teletype machines 
Timex Sinclair 1000, US version of the ZX-81 
Timex Sinclair 1000 
Sinclair ZX-81 
Acorn Archimedes 
BBC Micros 
Tim Paterson talking about his career and creation of 86-DOS 
Tim Paterson’s homebrew joystick 
86-DOS / MS-DOS original source