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Publication Information
| Creator | Schoelkopf, L. F. |
|---|---|
| Date Created | 1924 |
Physical Description
| Format | Image |
|---|---|
| Dimensions | 11 x 13 cm |
Collection Information
| Source Collection | Louis F. Schoelkopf collection, 1905-1978 |
|---|---|
| Call Number | (S6)179 |
Copyright Information
| Copyright Status | NO COPYRIGHT - UNITED STATES |
|---|---|
| Rights Holder | Wisconsin Historical Society |
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Air-Lec Automatic Door Opener
1922
Air-Lec pneumatic automatic door opener with button and wire set up on a board. The manufacturing plant on N. Third Street began operation in 1922.
Air-Lec Automatic Sliding Door Opener
1922
Air-Lec automatic door opener indoors. This device, which was pneumatic, is installed on a garage door.
Air-Lec Automatic Sliding Door Opener
1922
Air-Lec pneumatic automatic door opener set up on a table on a roof. Probably the roof of Schoelkopf's manufacturing plant at 320 N. Third Street.
The Schoelkopf Air-Lec Manufacturing Facility
1922
Interior view of the Schoelkopf Air-Lec Manufacturing facility at 320 N. Third Street. A number of signs on the back wall describe the Air-Lec's features.
Air-Lec Button
1922
Air-Lec automatic door opening button, which reads: "Schoelkopf Mfg. Co. Madison, Wis. AIR-LEC Opens or Closes Doors Automatically PRESS."
Sound Horn!
1922
Framed display of a photograph or illustration of double doors with the Air-Lec automatic door opener system. The sign on the door reads: "Sound Horn! Air-Lec Door Swing Opens Doors Automatically, ...
