Liebig Condensers, "GWL"
| Cat. No. | Socket | Cone | Effective Lenth mm. |
| GWL351/1 | 14/23 | 14/23 | 150 |
| GWL351/2 | 19/26 | 19/26 | 200 |
| GWL351/3 | 24/29 | 24/29 | 200 |
| GWL351/4 | 19/26 | 19/26 | 300 |
| GWL351/5 | 24/29 | 24/29 | 300 |
| GWL351/6 | 19/26 | 19/26 | 350 |
| GWL351/7 | 24/29 | 24/29 | 350 |
| GWL351/8 | 19/26 | 19/26 | 400 |
| GWL351/9 | 24/29 | 24/29 | 400 |
| GWL351/10 | 24/29 | 24/29 | 500 |
| GWL351/11 | 24/29 | 24/29 | 600 |
| GWL351/12 | 24/29 | 24/29 | 750 |
| GWL351/13 | 34/35 | 34/35 | 500 |
| GWL351/14 | 34/35 | 34/35 | 600 |
| GWL351/15 | 34/35 | 34/35 | 750 |
| GWL351/16 | 34/35 | 34/35 | 900 |
| GWL351/17 | — | 19/26 | 300 |
| GWL351/18 | — | 24/29 | 350 |
| GWL351/19 | — | 34/35 | 250 |
| GWL351/20 | 29/32 | 29/32 | 250 |
| GWL351/21 | 29/32 | 29/32 | 400 |
