AU760018A
(en )
1918-10-01
Improvements in wet filters, water coolers, humidifying apparatus and the like
GB131444A
(en )
1919-08-20
Improvements in or relating to Extensometers and the like.
Nutting
1917
Via Nova. The Direct Method
Murley
1917
Content Studies and Content Teaching
AU850918A
(en )
1919-07-08
Improvements in wool drying apparatus
GB111994A
(en )
1917-12-20
Improvements in and relating to Drying Apparatus.
GB112581A
(en )
1918-01-17
Improvements in Surface-plates.
Riley et al.
1917
274-275
Geo. D. Fuller
1917
Hawaiian Bogs
CA177681A
(en )
1917-06-19
Water and air gliding apparatus
CA185051A
(en )
1918-06-25
Apparatus for cooling, humidifying and filtering air
AU728818B
(en )
1918-09-17
Improvements in supports for cutain poles and the like
AU751118A
(en )
1919-01-07
Improvements in water heaters
AU764318A
(en )
1919-04-08
Improvements in respirators
AU635018A
(en )
1918-12-03
Improvements in drying apparatus
GB117816A
(en )
1918-12-05
Improvements in and relating to Recording Devices.
CA157764A
(en )
1914-09-08
Water, land and air machine
GB127722A
(en )
1919-06-04
Improvements in Bricks, Blocks and the like for Building Purposes.
AU539717A
(en )
1918-04-16
Improvements in ventilators
CA186278A
(en )
1918-08-27
Air purifier and humidifier
GB107186A
(en )
1917-06-21
Improvements in Preserving-tins.
AU915418A
(en )
1919-05-20
Improvements in apparatus for purifying and drying steam
AU696218A
(en )
1919-04-08
Improvements in levelindicators for aeroplanes and the like
AU666218A
(en )
1919-01-21
Improvements in apparatus or means for drying wool
GB100876A
(en )
1916-07-20
Improvements in and connected with Air Filters.