Manufacturer:  Hoffman Bros.

SPECIFICATIONS
 
Internal Serial No :
Nickname :
Type of Trolley : Hay Fork
Type of Hay Slings Set :
Diameter of Rope Sheave : 6 Inch
Type of Track : Wood Beam
Markings :

HOFFMAN BRO’S. LEBANON NJ. PATENTED AUG’ 8. 1871. DEC’24.72

Availability : Rare
Value : $$$$$
Chassis Tie-off : Yes
Trolley Load Held at Any Height : No - CDP must go to chassis and lock
Number of Wheels on Top : 4
Number of Lifting Pulleys : 0
Swivel Capable : No
Capable of Reversible Use : No
Type of Material : Iron
Independent Trigger Trip Rope on Chassis : No
Bump Trigger Plate at Chassis Base : No
Notes :

Only one example found as of August 2016

Patent Number : 117,778 134,141 167,763
Patent Date : Aug. 8, 1871 Dec. 24, 1872 Sept. 14 1875
Year(s) Manufactured : 1871 - 1877