Collectors Weekly
Show & Tell
Sign in
All Categories
All
Fashion
Design
Home
Culture
Tech
Collectibles
Share your favorites on Show & Tell
Post an item
or
groobiak
» collections
groobiak
Groobiak
Posts
1
Loves
1
Likes
0
Collections
Groobiak has not created any collections yet.
What are collections?
Favorite Categories
Tools and Hardware
groobiak
Posts
in
Tools and Hardware
Comments
Looks like an old vacuum pump, probably used for air conditioning and refrigeration. The sight glass on the front is a dead giveaway- it is used to see how much vacuum pump oil is in it. If you fill ...
Trerice makes gauges for all sorts of process, industrial, heating and cooling applications (I work for a supply house)- This style thermometer typically is installed in a "wet well" in piping. Not su...
UPDATE: I found the original patent! It was patent number 1,563,377 for a C.H. Klein "Pulling and transposing mechanism for line wires". https://encrypted.google.com/patents/US1563377 Now I'm cur...
Well there's no patent number, just the dates. Early 1900's, but I will check and post when I get home.
Loves
GroobiakGroobiak
Comments