Fic. 98.—The Root-Hoffman Langstroth Frames. 
awaran 
eae N 
EN aD aos a 
g wedge- 
-grooved Frame-bar with lon 
slip for securing foundation. 
(Patented by Mr. S. W. Abbott, Feb. 4th, 1887, No. 1802.) 
pont 
Fic. 97.—Abbott’s Twin 
1oo (favor of L. Upcott Gill, Esq.). 
Fic. 
Methods of Sp 
acing at natural and reduced distances. 
C D, type-metal ends. 
AB, with W. B.C. ends. 
Fic. 99.— Abbott’s Self-spacing Wide-end Frame-bars. 
