Date   
Chassis as part of the circuit By John Hubert · #1223 ·
Impulse Driver By John Hubert · #1211 ·
Impulse Driver By John Hubert · #1209 ·
Impulse Driver By John Hubert · #1207 ·
Master Clock contact duration? By John Hubert · #1194 ·
Master Clock contact duration? By John Hubert · #1192 ·
Master Clock contact duration? By John Hubert · #1190 ·
Master Clock contact duration? By John Hubert · #1189 ·
Master Clock contact duration? By John Hubert · #1188 ·
Master Clock contact duration? By John Hubert · #1187 ·
DC Power sources for a 1920's Synchronome master & Current Regulation? By John Hubert · #1179 ·
DC Power sources for a 1920's Synchronome master & Current Regulation? By John Hubert · #1165 ·
DC Power sources for a 1920's Synchronome master & Current Regulation? By John Hubert · #1163 ·
Count wheel & backstop roller & Pendulum length to bob? By John Hubert · #1159 ·
Count wheel & backstop roller & Pendulum length to bob? By John Hubert · #1157 ·
Count wheel & backstop roller & Pendulum length to bob? By John Hubert · #1154 ·
Synchronome contacts pitted By John Hubert · #1149 ·
Count wheel & backstop roller By John Hubert · #1147 ·
Count wheel & backstop roller By John Hubert · #1145 ·
Synchronome contacts pitted By John Hubert · #1143 ·
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