Specifications:
a) Koenig’s apparatus
Beam: Brass beam
Length: 1 m
Size: 10 mm
Marking: Engraved cm scale
Mirror: Tilt adjustable with
slider (2nos)
Knife edges: Table mounting
type with steel knife edges (2 nos)
Weight hanger: Weight hanger
with pointer and hook
Weight set: Slotted weight
rough 5 x 500 g
b) Scale and telescope on stand
Base: Heavy cast iron
Telescope height: Adjustable
Focus: Adjustable
(2m ~ infinity)
Tilt: Adjustable
Scale: Engraved translucent
Length: 50 cm
Width: 30 mm
Mount: Vertical and horizontal
