polytropos' photos with the keyword: 1725

An die Röhre gucken.

An die Röhre gucken.

polytropos Posted on 16 Jun 2021
Spaceship Enterprise? (PiP)

Spaceship Enterprise? (PiP)

polytropos Posted on 16 Jun 2021
Recently in the HVAC.

Recently in the HVAC.

polytropos Posted on 15 Feb 2019
ʘ

ʘ

polytropos Posted on 19 Mar 2020
In guten Kreisen

In guten Kreisen

polytropos Posted on 04 Apr 2019
vertical meets horizontal

vertical meets horizontal

polytropos Posted on 29 Mar 2019
HAL 9000

HAL 9000

polytropos Posted on 15 Apr 2019
round

round

polytropos Posted on 18 Jan 2018
pipes and tubes

pipes and tubes

polytropos Posted on 26 Mar 2018