Automatic garage light (CB7503E)

We found this circuit in a 1960 Sylvania transistor manual. The relay can be 12 V and C1 determines the activation time. The sensor is a photocell.

Improve Digital Support of Battery Charging and DC-DC Conversion Applications with New Digitally Enhanced Power Analog Controllers
MCP19124/5 Contains Independent Voltage and Current Control Loops Plus a Full Suite of...
Magnetic Pickup Amplifier (CB4950E)
This circuit was found in a 1980s documentation. The operational amplifier is of a common type at the...
Gain-10 Operational 741 (NI014E)
This simulated circuit uses a 741 (Operational Amplifier), but other operational amplifiers can be...