167:
206:
130:
72:
in 1778, also recognized as the level tumbler lock. This invention was patented the same year. At the time of the patent, he lived in the city of
196:
160:
191:
211:
153:
201:
186:
69:
137:
180:
136:
This article about an engineer, inventor or industrial designer from
England is a
108:
94:
65:
129:
62:
73:
141:
48:
40:
30:
23:
68:notable for his invention of the double–acting
161:
8:
168:
154:
20:
85:
7:
126:
124:
140:. You can help Knowledge (XXG) by
95:"The Encyclopaedia for Locksmiths"
14:
113:. Vol. 9. 1866. p. 341.
128:
207:18th-century English inventors
1:
197:18th-century British artisans
52:Invention of the tumbler lock
228:
123:
192:18th-century metalsmiths
212:English engineer stubs
93:Friend, Mick (2004).
202:English metalsmiths
149:
148:
56:
55:
16:British locksmith
219:
170:
163:
156:
132:
125:
115:
114:
105:
99:
98:
90:
21:
227:
226:
222:
221:
220:
218:
217:
216:
177:
176:
175:
174:
121:
119:
118:
107:
106:
102:
92:
91:
87:
82:
36:
26:
17:
12:
11:
5:
225:
223:
215:
214:
209:
204:
199:
194:
189:
179:
178:
173:
172:
165:
158:
150:
147:
146:
133:
117:
116:
100:
84:
83:
81:
78:
54:
53:
50:
49:Known for
46:
45:
42:
38:
37:
35:United Kingdom
34:
32:
28:
27:
24:
15:
13:
10:
9:
6:
4:
3:
2:
224:
213:
210:
208:
205:
203:
200:
198:
195:
193:
190:
188:
185:
184:
182:
171:
166:
164:
159:
157:
152:
151:
145:
143:
139:
134:
131:
127:
122:
112:
111:
104:
101:
97:. p. 28.
96:
89:
86:
79:
77:
75:
71:
67:
64:
60:
59:Robert Barron
51:
47:
43:
39:
33:
29:
25:Robert Barron
22:
19:
142:expanding it
135:
120:
109:
103:
88:
70:tumbler lock
58:
57:
18:
187:Locksmiths
181:Categories
80:References
41:Occupation
66:locksmith
44:Locksmith
110:Meliora
63:English
61:was an
74:London
138:stub
31:Born
183::
76:.
169:e
162:t
155:v
144:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.