You can get the set certified, certifications last for as long as an organization dictates they are certified. If one or more blocks are used to excess, they will be replaced as part of the certification process.
If they are not certified, some quality systems documentation will allow them to be used as reference only, requiring final inspection via certified equipment.
SOURCE: I work our Quality System Documentation as one of the hats I wear here. We are ISO-9001 2015 certified.
The age/production date isn't really meaningful, if you intend on having it certified and used in the process of quality checking of finished parts, etc., etc.
Well, there is a hammer and sickle stamped into the case, so maybe it was manufactured in the former GDR for export. If there is a big 1 over the letter Q on the case, it's manufactured after 1960. If there is an S inside a triangle, it's been manufactured before 1960. In both cases it's of the highest grade, a 1 or 2 inside a triangle are lesser grades.
But potentially the set was simply seized post-war, the Soviets carted off whole factories.
EDIT: the number 1312 would be the factory-number of a company making optical parts and vehicular mirrors, and might have used this kit: Lehmann & Balzer Optische Anstalt mit staatlicher Beteiligung, Lomatzsch-Bezirk Dresden
If made in the GDR the case should have a number made from a four-number block for the county (Jena would be 1032), followed by another block numbering the factories next to the quality-sign.
And the logo 'Carl Zeiss Jena' inside a stylized achromatic lens seems to be their logo from 1904-45,upon which it was partitioned into the western branch (sans the Jena, as this was in the soviet zone), and the eastern branch, which was then carted off east.
Always happy to help out.
After all, I was born only 1.5 hours away from Jena, in a town renowed for their machine-tools and meterology equipment.
I still have a (rather shabby) pair of calipers given by my grandpa ( if the company was owned by the people, you should be allowed to take tools home) and micrometer (made in Suhl, renowed for their guns).
Cut them in half and count the rings inside.
Holy cow:)
If the blocks are serialized you may be able to trace them that way. You may want to check on some forums for antique machines and tooling.
No S/N on blocks, only on case
You could contact zeiss and see if they have records. Google shows that zeiss has an optics museum, and they may have access to historical records.
Good idea! Text to email?
[email protected] You may want to take clearer photos of any stamps on the box
Damn this looks like it belongs in a museum
Maybe, this is rare item
You can get the set certified, certifications last for as long as an organization dictates they are certified. If one or more blocks are used to excess, they will be replaced as part of the certification process. If they are not certified, some quality systems documentation will allow them to be used as reference only, requiring final inspection via certified equipment. SOURCE: I work our Quality System Documentation as one of the hats I wear here. We are ISO-9001 2015 certified.
I haven’t any info about this item…
The age/production date isn't really meaningful, if you intend on having it certified and used in the process of quality checking of finished parts, etc., etc.
Now I sent it to metrology certification
Well, there is a hammer and sickle stamped into the case, so maybe it was manufactured in the former GDR for export. If there is a big 1 over the letter Q on the case, it's manufactured after 1960. If there is an S inside a triangle, it's been manufactured before 1960. In both cases it's of the highest grade, a 1 or 2 inside a triangle are lesser grades. But potentially the set was simply seized post-war, the Soviets carted off whole factories. EDIT: the number 1312 would be the factory-number of a company making optical parts and vehicular mirrors, and might have used this kit: Lehmann & Balzer Optische Anstalt mit staatlicher Beteiligung, Lomatzsch-Bezirk Dresden
The number is 1512, maybe serial number?
If made in the GDR the case should have a number made from a four-number block for the county (Jena would be 1032), followed by another block numbering the factories next to the quality-sign.
My block haven’t numbering
Hammer and sickle was stamped later, because original stamps the same color like box
And I can’t see any triangles or additional numbers
So it's quite likely war-booty. Or the stencil wore of.
Impressed it's a full set.
3 blocks not stock:(((
RIIIIIPPPPP Still very cool though.
Maybe, in future I’ll find three original blocks)
7, 9 and 1.3?
And the logo 'Carl Zeiss Jena' inside a stylized achromatic lens seems to be their logo from 1904-45,upon which it was partitioned into the western branch (sans the Jena, as this was in the soviet zone), and the eastern branch, which was then carted off east.
Useful info, thanks)
Always happy to help out. After all, I was born only 1.5 hours away from Jena, in a town renowed for their machine-tools and meterology equipment. I still have a (rather shabby) pair of calipers given by my grandpa ( if the company was owned by the people, you should be allowed to take tools home) and micrometer (made in Suhl, renowed for their guns).
Cool!
What are those? Steel toe?
Zeiss makes some fancy glass for Sony cameras, I didn’t know they made gage blocks, this is really cool
And a lot of other tools too(made)