ON EVAPORATION AND DISSOCIATION. 
155 
temperatures (Centigrade) at definite pressures for volumes below the critical volume, 
and pressures at definite temperatures for larger volumes. 
Volumes Smaller than Critical Volume. 
Volume. 
— 
Pressure in metres oj 
mercury 
- 
.5 
10 
15 
20 
25 
30 
35 
40 
45 
50 
55 
1-26 
32-40 
33-05 
33-70 
34-35 
35-00 
35-70 
36-35 
37-00 
37-65 
38-30 
39-00 
1-28 
48-10 
48-80 
49-50 
50-20 
50-90 
51-60 
52-30 
53-00 
53-70 
54-40 
55-10 
1-30 
62-80 
63-55 
64-30 
65-05 
65-80 
66-30 
67-05 
67-80 
68-55 
69-30 
70-00 
1-32 
75-40 
76-20 
77-00 
77-75 
78-55 
79-30 
80-10 
80-90 
81-65 
82-45 
83-20 
1-34 
87-55 
88-35 
89-15 
90-00 
90-80 
91-65 
92-45 
93-25 
94-10 
94-90 
95-75 
1-36 
98-85 
99-70 
100-55 
101-40 
102-30 
103-15 
104-00 
104-85 
105-60 
106-50 
107-35 
1-38 
109-00 
109-90 
110-80 
111-70 
112-60 
113-50 
114-40 
115-30 
116-20 
117-10 
118-00 
1-40 
118-40 
119-35 
120-30 
121-25 
122-20 
123-15 
124-10 
125’05 
126-00 
126-95 
127-90 
1-42 
127-05 
128-05 
129-05 
1.30-05 
131-05 
132-05 
133-05 
134-05 
135-05 
136-05 
137-05 
; 1-44 
134-75 
135-80 
136-85 
137-90 
138-90 
139-95 
141-00 
142-05 
14.3-10 
144-10 
145-15 
1-46 
142-00 
143-10 
144-20 
145-25 
146-35 
147-40 
148-50 
149-60 
150-65 
151-75 
152-80 
1 1-48 
148-55 
149-70 
150-85 
151-95 
153-10 
154-20 
155-35 
156-50 
157-60 
158-75 
159-85 
1-50 
155-85 
157-05 
158-20 
159-40 
160-55 
161-75 
162-95 
164-10 
165-.30 
166-45 
1-52 
161-85 
163-10 
164-30 
165-55 
166-75 
168-Ou 
169-25 
170-45 
171-70 
172-90 
' 1-54 
167-35 
168-60 
169-90 
171-15 
172-45 
172-70 
174-95 
176-25 
177-50 
178-80 
I-56 
172-40 
173-70 
175-05 
176-35 
177-70 
179-00 
180-30 
181-65 
182-95 
184-30 
1-58 
177-30 
178-70 
180-05 
181-40 
182-80 
184-20 
185-55 
186-95 
188-30 
189-70 
1-60 
183-15 
184-55 
186-00 
187-40 
188-85 
190-30 
191-70 
193-15 
194-55 
1-62 
187-65 
189-10 
190-60 
192-05 
193-55 
195-05 
196-50 
198-00 
199-55 
1-64 
191-95 
193-45 
195-00 
196-50 
198-05 
199-60 
201-10 
202-65 
204-15 
1-66 
195-50 
197-05. 
1.98-65 
.£00-20 
201-80 
.203-40 
204-95 
206-55 
208-10 
1-70 
202-40 
204-10 
205-80 
207-50 
209-20 
210-90 
212-60 
214-.30 
216-00 
175 
209-80 
211-65 
213-45 
215-30 
217-15 
219-00 
220-85 
222-65 
224-50 
1-80 
218-05 
220-00 
22-2-00 
224-00 
226-00 
228-00 
229-95 
231-96 
1'85 
225-75 
227-85 
230-00 
232-15 
234-30 
236-45 
238-55 
1-90 
230-60 
232-90 
235-20 
237-50 
239-80 
242-10 
244-40 
1-95 
237-00 
239-50 
241-95 
244-40 
246-90 
249-35 
2-00 
240-60 
243-25 
245-90 
248-55 
251-20 
253-80 
2T0 
248-80 
251-80 
254-80 
257-80 
260-80 
2-20 
' 
256-10 
-259-.50 
262-90 
266-.30 
2-30 
259-40 
263-25 
267-05 
270-90 
2-40 
261-70 
266-00 
270-25 
274-55 
2:50 
263-20 
267-95 
272-75 
277-50 
2-60 
264-30 
269-40 
274-50 
279-60 
270 
265-25 
270-45 
275-60 
2-80 
265-90 
271-40 
277-00 
2-90 
266-00 
272-00 
278-10 
3-00 
266-10 
272-60 
279-15 
It is, however, possible to give a few pressures at even volumes and temperatures, 
and these, and also the pressures in the following table for volumes up to 30 c.cs. are 
represented by crosses in the plates (Plate 3 and 6). 
X '2 
