NO 1 fig 1298 both glass look ok as do the threads. No 0 chip on the outside of the upper bowl could be a defect in the glass  could not  feel any jagged edges, but not sure. Inside gasket needs replaced  worn threads on the very bottom ,nicks in the brass fitting, site glass is loose. NO  1 1/2    site glass  needs to be replaced has  2 holes in it.  upper glass  is ok  threads look ok nicks in the fitting Also on the NO 0 the very tip of the vertical tab is broken off