Interesting Old Copper Abol Backpack Knapsack Sprayer 1960s 1970s Sold As Seen

Interesting antique Abol copper knapsack sprayer with leather straps
It possibly dates from the 1960s or 70s and is a great ornamental item
The copper is very tarnished but it would polish up
The pump action still moves but there is no lance or pipe
This is a collector’s item or for parts
We don’t know if the sprayer works
There is a cylinder on the side (see photos)
Please note - it is in a sold as seen condition but very interesting (see photos),
The leather straps are dark and one has broken
One of the attachments for the straps is broken from the sprayer
The metal parts are very rusty
The top rim has a shallow dent
As well as the description we have taken 12 pictures, please look through them in detail

Measurements:
Height: 47cm or 18½ inches
Width: 45cm or 17⅝ inches
Depth: 19cm or 7⅜ inches
Handle length: 66cm or 25⅞ inches
Long cylinder length: 32.5cm or 12¾ inches

Note! We measure using CM and then it’s converted to inches & rounded down to the nearest eighth (⅛) of an inch
Approximate Weight: 5.20kg or 11lb