Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
|
from
login
Production of an Original Surface Plate (1908) [pdf]
(
galleyrack.com
)
1 point
by
Tomte
on May 13, 2024
|
past
Hand Scraping a Truly Flat Plane (1908) [pdf]
(
galleyrack.com
)
163 points
by
rkagerer
on April 16, 2020
|
past
|
95 comments
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
