Text Appearing Before Image: Fig. 22.—Goldans Apparatus for N20 and O. (Am. Jour. Med. Sci., June, 1901.) 94 NITROUS OXIDE Text Appearing After Image: Fig. 23.—Apparatus for N20 and O (White Dent. Co.). NITROUS OXIDE 95 Fig. 23. One cylinder contains Pure Oxygen. The other cylinder is filled with Nitrous Oxide. There are rubber bags, of different colors to avoid confusion; blackfor Nitrous Oxide and red for Oxygen. There are keys which open the valves of the cylinders and allow thegas to fill the bags through the tubes. Another set of valves being closed, the gas remains in the bags. Byopening one Nitrous Oxide is admitted to mixing chamber, from which itflows through the covered rubber tube to the Inhaler. When it is desired to combine Pure Oxygen with the Nitrous Oxide,open valve, which admits Oxygen to the Mixing Chamber, and bothflow together to the Inhaler. This valve with its indicator plate is designed especially to enablethe operator to follow out Dr. Hewitts method, and to this end the valveaperture is enlarged regularly as the handle is turned from I to 10; beyondthis the valve operates as an ordinary valve and may be op
Note About Images
Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
Gambar ini diambil dari The Commons di Flickr. Organisasi yang mengunggah mungkin punya berbagai alasan untuk menentukan bahwa tidak ada batasan hak cipta yang diketahui, contohnya:
Hak ciptanya ada di domain umum karena sudah kedaluwarsa;
Hak ciptanya diberikan ke domain umum karena alasan lain, seperti gagal mematuhi formalitas atau syarat yang diwajibkan;
Institusi memegang hak cipta tetapi tidak tertarik melaksanakan kendali; atau
Institusi punya hak hukum yang cukup untuk membolehkan orang lain menggunakan karya tanpa batasan.
Tolong tambahkan tag hak cipta tambahan ke gambar ini apabila informasi spesifik tentang status hak cipta bisa ditemukan. Lihat Commons:Lisensi untuk informasi lebih.
No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false