I think the little 3 legged thing is a spherometer - used for measuring the size of spherical (i.e. normal) lenses. Therefore I would guess that the other thing will be for holding the lens while you ............do whatever you're doing with it.
Analyse/measure it's properties or something.
Any Ideas?
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Hi Mani. I emailed my granddad, who was a retired optician / optometrist / whatever the proper-spec eye doctor is (he's very skilled and can tell you what diopter someone's glasses are even without taking them off their face 
).
He's quite into optical instruments and has some frightening-looking vintage stuff at his place, so I thought he might know, and he kind of did:
"Regarding the mystery tools. The little one with 3 legs and the micrometer scale is a Spherometer and is used for measuring the sag of a spherical surface. The other one I am not familiar with but looks as though it is another measuring instrument as there appears to be a micrometer scale on it."
He said he'd be interested to see the second one up close. He's over for lunch in the next few weeks, so you want to drop them over the road I can leave them for him to take a look at?
).He's quite into optical instruments and has some frightening-looking vintage stuff at his place, so I thought he might know, and he kind of did:
"Regarding the mystery tools. The little one with 3 legs and the micrometer scale is a Spherometer and is used for measuring the sag of a spherical surface. The other one I am not familiar with but looks as though it is another measuring instrument as there appears to be a micrometer scale on it."
He said he'd be interested to see the second one up close. He's over for lunch in the next few weeks, so you want to drop them over the road I can leave them for him to take a look at?
'68 912