Updated through online information from Joel S. Kumro.
Updated through online information from James R. Stettner. -- The Great is on a slider chest. The Swell & Positiv are on E-P pitman chests. The Pedal is mostly pitman but has some E-P unit chests. The Sforzando is actually a hitch-down mechanism...not a traditional toestud. The Positiv Zimbelstern was added later.
The last organ to be designed personally by Mr. Holtkamp, Sr. The organ was completely restored in 1993-95. At that time computerized piston and registration memory was added. The organ is in excellent condition and used daily (1996).