61-A
U.S.A.
PAT'D MARCH 29 - 1927.
PATENTS PENDING
RD-1927.
PAT'D MARCH 29-1927
PATENTS PENDING
"RD 1927"
1 A
PAT'D MARCH 29-1927
PATENTS PENDING
"RD 1927"
2 A
PAT'D MARCH 29-1927
PATENTS PENDING
"RD 1927"
3 A
PAT'D MARCH 29-1927
PATENTS PENDING
"RD 1927"
4 A
PAT'D MARCH 29-1927
PATENTS PENDING
"RD 1927"