Pulleys & Pumps
Photos and engineering data of spool frames, etc., from various nickelodeons.
Coinola made
by Operators Piano Co., Chicago.
Cremona made
by Marquette Piano Co., Chicago.
Nelson-Wiggen with wood spool
frame
Wurlitzer "Long Roll
Frame"
Wurlitzer CX with 6-spool Wurlitzer
Automatic Roll Changer that plays 5-tune A.P.P. rolls
Wurlitzer Harp
Seeburg & Western
Electric
Nickelodeon Spool Frame With Belt Drive
-- by Ed Gloeggler (040528 MMDigest)
Calliope
Round Belt Transmission Design -- by Robbie Rhodes
8 January 2003