Johansson Mikrokator, or Abramson's movement
I measure a part with the Mikrokator, then I open it up to show what's inside.

▶︎
Johansson Mikrokator Comparator Platen

▶︎
Adam Savage's Most Precise Measurement Tool!

▶︎
How does a Mikrokator work

▶︎
How thick is a sharpie mark?

▶︎
Russian Optical Flat Testing

▶︎
Microcator Minicator Micator

▶︎
Inside the most precise mechanical indicators ever made - The Mikrokator

▶︎
Precision Mechanics

▶︎
Superconducting Motors Have Arrived. This Changes Everything.

▶︎
What can you see with .00002” resolution? Flexture based indicator stand

▶︎
Reading Optical Flats Part 1

▶︎
“Diving Board” flexure lever mechanism for high resolution adjustment

▶︎
C. E. Johansson Gage Block Accessory Set

▶︎
Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers

▶︎
A clever grinding fixture for ultra-precision squaring

▶︎
Laser Interferometer - Part 5: Wavelength Stabilization of Laser Diodes

▶︎
Precise spirit level

▶︎
Johansson Mikrokator| mechanical Comparator| MMM

▶︎
High precision level (DIY)

▶︎
