CH70189A
(en )
1915-11-16
Multi-unit pumping system in which the pumps are switched on or off depending on the demand for water
US1126765A
(en )
1915-02-02
Abdominal-supporter.
DK19626C
(en )
1914-12-21
Reversing piston pump, especially for Central lubrication systems.
Scott
1914
The Credit System
CH63204A
(en )
1914-01-16
Water pump based on the hydraulic ram principle
CH73716A
(en )
1917-04-16
Electrically operated pump system
Uhler et al.
1916
417-418
GB191409648A
(en )
1915-04-15
Improvements in or relating to Telephone Systems.
GB191310200A
(en )
1914-06-02
Improvements in or relating to Telephone Systems.
GB191406356A
(en )
1914-11-26
Improvements in or relating to Telephonic Systems.
Yen et al.
1916
419-420
AT69905B
(en )
1915-09-25
Independent breathing device that works according to the regeneration principle.
DK21551C
(en )
1916-10-09
Telephone system connection device in which the connections are provided via Selectors.
GB191304618A
(en )
1914-02-19
Improvements in Selective Signalling Systems.
DK27334C
(en )
1921-03-21
Air pump for emptying condensers, refrigeration systems and the like.
Montagu-Nathan
1916
Glinka, by M. Montagu-Nathan.
Wortsmann
1914
Die deutsche Gluck-literatur.(Christoph Willibald Ritter v. Gluck, 1714-1787) Von dr. Stephan Wortsmann.
GB124581A
(en )
1919-03-28
Improvements in or relating to Telephone Systems.
DK29213C
(en )
1922-01-23
Device for pumps, hydraulic motors and the like.
DK19372C
(en )
1914-10-19
Pressure switch for electric lighting systems and the like.
ES57560A1
(en )
1914-04-16
Improvements in hydraulic devices.
GB191309593A
(en )
1914-04-23
Improvements in or relating to Telephone Systems.
DK22628C
(en )
1917-11-26
Electrically powered pump system.
GB103732A
(en )
1917-02-08
Improvements in Telephone Systems.
GB107236A
(en )
1917-06-20
Improvements in Telephone Systems.