Mary is disappointed of course about her Locket, & of course delighted about the Mangle which is safe at Basingstoke. (Letter 24)
I looked up “mangle” as the use of it in this sentence was new to me and found it is a machine having two or more cylinders turned by a handle, between which wet laundry is squeezed to remove excess moisture—AskOxford.com. According to Wikipedia mangles were invented in the 18th century and middle-class households and small-scale washerwomen used the plain mangle. Was Mary’s concern that she thought she had lost a mangle or perhaps loaned one out?