Left Pic – Old linen glue base partially removed, after steaming. 
Right Pic –Glue base removed, scraped, and ready to go

Left Pic – 3 keys with previous “improperly done” repair attempts
Right Pic – Same 3 keys after removal of old glue

Left Pic – Remnants of old glue and linen Key Top bases
Right Pic – Keys with missing tops ready for replacements