Stop in for a cup of coffee
1968 only, nominal 10 x 1 3/4 but more useful is the 288. That number an industry standard.
Even these old replacements have different material on the primary than the secondary because thye doe slightly different jobs
Some models got grooved lining
https://www.web.imperialclub.info/Repair/Lit/Master/260/Page05.htmGood luck finding these characteristics on typical parts store replacements today. :(
Example:
1968 only, nominal 10 x 1 3/4 but more useful is the 288. That number an industry standard.
Even these old replacements have different material on the primary than the secondary because thye doe slightly different jobs
Some models got grooved lining
https://www.web.imperialclub.info/Repair/Lit/Master/260/Page05.htmGood luck finding these characteristics on typical parts store replacements today. :(