This 1924 contract outlines the engineering costs that put WDBO on the air.

Radio Sales & Service Co.
Merle McElroy Building
Orlando, Florida
May 12, 1924.

Rollins College,
Winter Park, Fla.

Dear Sir:-

For the sum of $1.00 I agree to sell the College, the following Radio Apparatus. That you agree also that if at any time the college wishes to discontinue the Radio Station, you will sell the following radio apparatus back to me for the sum of $1.00.

1-Radiation Ammeter
1-General Radio .C005 Vernier Condenser.
1-5000 ohm Grid leak, General Elec.
1-Filament Atuc Transformer.
1-Filament Voltmeter, Jewell make. 0-10V.
1-CG 1144A 50 Watt Transmitting Tube
2-VT4B " " " Tubes.
1-UV211 " " " Tubes.
2-CG1162 5 " " Tubes.
1-1100/2200 Volt Potential Transformer.
1-2200/4400 Volt " "
1-Filament Excitation Transformer.
1-Mercury Arc Rectifier Tube. General Elec. Co.
1-Acme Chocke Coil, 3 Henerie
1-UR145 Transmitting tube Socket
2-Micadon .005 Mfd. Cndensers.
1-UV 202 Watt Transmitting tube.

Signed for the College,
(signature)