Lectures of Col. R. G. Ingersoll, Vol. 1: Audiobook
According to The Books Insider's catalog data, the Lectures of Col. R. G. Ingersoll, Vol. 1 audiobook runs 14.2 hours unabridged, narrated by Ted Delorme (about 9.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 14.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 29 days |
| 1 hour / day | 15 days |
| 2 hours / day | 8 days |
| 1 hour / day at 1.5× | 10 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 14.2 hours, it runs longer than 92% of the 39,028 Non-Fiction audiobooks in our catalog.
More narrated by Ted Delorme
Ted Delorme narrates 6 unabridged audiobooks in our catalog, 61 hours in all.
About as long, on the Non-Fiction shelf
2,324 Non-Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Sapiens: A Brief History of Humankind
- Sapiens: A Brief History of Humankind: The multi-million copy bestseller
- The Devil in the White City: Murder, Magic, and Madness at the Fair That Changed America
- Wild: From Lost to Found on the Pacific Crest Trail (Oprah's Book Club 2.0)
- The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
Lectures of Col. R. G. Ingersoll, Vol. 1 is an audiobook by Robert G. Ingersoll: a 14.2-hour unabridged recording, read by Ted Delorme, released January 1, 2011, on the Non-Fiction shelf.
The listen at a glance
- Length
- 14.2 hrs
- Narrated by
- Ted Delorme
- Released
- January 1, 2011
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-Fiction
How to listen to Lectures of Col. R. G. Ingersoll, Vol. 1 free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Lectures of Col. R. G. Ingersoll, Vol. 1 audiobook?
Lectures of Col. R. G. Ingersoll, Vol. 1 runs 14.2 hours unabridged. At 1.5× speed that drops to roughly 9.5 hours.
Is the Lectures of Col. R. G. Ingersoll, Vol. 1 audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Lectures of Col. R. G. Ingersoll, Vol. 1?
Lectures of Col. R. G. Ingersoll, Vol. 1 is narrated by Ted Delorme.
Is Lectures of Col. R. G. Ingersoll, Vol. 1 worth listening to at 1.5× speed?
At 1.5× you'd finish in about 9.5 hours, saving 4.7 hours.