Nature, Količina 102Sir Norman Lockyer Macmillan Journals Limited, 1918 |
Iz vsebine knjige
Zadetki 1–3 od 85
Stran 206
... apparatus and wearer . proposes that an inspector should be appointed " to WHEN. FIG . 1. - Henry A. Fleuss and group of miners , equipped with earliest Fleuss apparatus and oxygen lamps . Seaham Colliery , 1881 .. In the report ...
... apparatus and wearer . proposes that an inspector should be appointed " to WHEN. FIG . 1. - Henry A. Fleuss and group of miners , equipped with earliest Fleuss apparatus and oxygen lamps . Seaham Colliery , 1881 .. In the report ...
Stran 207
... apparatus . To give an example of an apparatus coming under class 2 - i.e . where the oxygen supply is derived from liquid air - the description of the " Aerophor " may be quoted from the report . There are quite a number of these apparatus ...
... apparatus . To give an example of an apparatus coming under class 2 - i.e . where the oxygen supply is derived from liquid air - the description of the " Aerophor " may be quoted from the report . There are quite a number of these apparatus ...
Stran 209
... apparatus in mines under the Coal Mines Act unless the apparatus be " of a type for the time being approved by the Secre- tary of State . " The necessity for this is very evident to anyone who has had practical know- ledge of the very ...
... apparatus in mines under the Coal Mines Act unless the apparatus be " of a type for the time being approved by the Secre- tary of State . " The necessity for this is very evident to anyone who has had practical know- ledge of the very ...
Vsebina
Bellingham L Zeiss Abbe Refractometer 244 School 39 | 11 |
FACULTY OF ENGINEERING COURSES OF STUDY Day and Evening for Degrees of | 10 |
Berriman A E appointed Deputy Controller of the Brereton C Water Snails and Leeches in an Artificial | 93 |
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