622 Electricity/Electricité
Lot No |
Type |
Description |
Reserve |
Estimate |
18713 |
EP |
GERMANY (1957) Spark gap transmitter. Archive photo (See Note) of unaccepted design for 100th anniversary of birth of Heinrich Hertz. Scott No 762, Yvert No 131.
| $60 |
$75 |
18714 |
EP |
GERMANY (1957) Electromagnetic waves. Candle. Archive photo (See Note) of unaccepted design for 100th anniversary of birth of Heinrich Hertz. Scott No 762, Yvert No 131.
| $60 |
$75 |
18715 |
EP |
GERMANY (1957) Spark gap transmitter. Archive photo (See Note) of unaccepted design for 100th anniversary of birth of Heinrich Hertz. Scott No 762, Yvert No 131.
| $60 |
$75 |
18716 |
EP |
GERMANY (1957) Electromagnetic lines of force. Candle. Archive photo (See Note) of unaccepted design for 100th anniversary of birth of Heinrich Hertz. Scott No 762, Yvert No 131.
| $60 |
$75 |
18717 |
EP |
GERMANY (1957) Electromagnetic lines of force. Stylised people. Archive photo (See Note) of unaccepted design for 100th anniversary of birth of Heinrich Hertz. Scott No 762, Yvert No 131.
| $60 |
$75 |
18718 |
EP |
GERMANY (1957) Heinrich Hertz. Archive photo (See Note) of unaccepted design for 100th anniversary of birth of Heinrich Hertz. Scott No 762, Yvert No 131.
| $60 |
$75 |
18719 |
EP |
GERMANY (1957) Magnetic lines of force. Waves. Archive photo (See Note) of unaccepted design for 100th anniversary of birth of Heinrich Hertz. Scott No 762, Yvert No 131.
| $60 |
$75 |
18720 |
EL |
MADAGASCAR (1962) Power station. Deluxe sheet. Scott No 334, Yvert No 372. Attractive!
| $20 |
$25 |
18721 |
EP |
GERMANY (1966) High voltage power transmission tower. Archive photo (See Note) of unaccepted design for 75th anniversary of discovery of 3-phase transmission by Dolivo & Dobrowolsky. Scott No 965, Yvert No 378.
| $60 |
$75 |
18722 |
EP |
GERMANY (1966) Transmission pole with insulators. Archive photo (See Note) of unaccepted design for 75th anniversary of discovery of 3-phase transmission by Dolivo & Dobrowolsky. Scott No 965, Yvert No 378.
| $60 |
$75 |