I googled the patent number and found the following info. The figures on the patent sketches looks slightly different than the piece. Patent number: US 3497806
Motorola 800-870 Mhz 1/4 Wave Antenna Rod & Nut New Motorola Stainless Steel 1/4 wave 800 Mhz Antenna Rod, rubber bushing and Chrome Nut. Frequency range is 806-870 Mhz. This antenna rod is 3.25 inches long.
Motorola VHF 162-174 1/4 Wave Ant Rod & Nut New Motorola Stainless Steel 1/4 wave VHF Hi band Antenna Rod, rubber bushing and Chrome Nut. Frequency range is 162 - 174 Mhz. This antenna rod is 16.5 inches long.
JET Heavy Duty 3/4" Sheave for cable or rope. OD 6" ID 1 1/8" Grove Width 3/4" Grove Height 1/2 Thickness 1 3/8" Brass bushing Oil port Weight 6 LB For 3/4 rope or wire cable New - Never used
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