This quad machine for four riders was built in 1898.

Members of the "Pedersen Cycle Club" on the Raglan House track, about 1898.
L-R: (unknown), Mr. Rasmussen, Mr. Mellerup, and Austin Lister (son of R A Lister). Rider on single cycle unknown.

Weight 64lbs (29 kg) and able to support ? lbs. The machine was at least 80 lbs (36kg) lighter than similar contemporary machines. 
Source The Ingenious Mr. Pedersen.