19 more mower manuals added

19 more mower manuals for the following brands have been added over the past few days:

- Ariens: 3 mower manuals, 4 mower parts lists, 1 mower service bulletin
- Husqvarna: 2 mower manuals, 6 mower parts lists
- National Mower: 1 mower parts list
- Worldlawn: 1 mower manual, 1 mower parts list

National Mower manuals

Links to some National Mower manuals and other useful documents are listed below.  Typically, National Mower owner's manuals include parts lists and maintenance information, but some parts lists can be downloaded separately.  You can also get National Mower manuals from the National Mower website.

Owner's manuals:
- National Mower 68" SR / DL Triplex Mower
- National Mower 68" SR / DL Triplex - CE Mower
- National Mower 84" Triplex - CE Mower
- National Mower 99500500-8400 Triplex Reel Mower
- National Mower Hydro 70" Triplex Mower
- National Mower I-Trim
- National Mower IM25 Infield Mower

Parts lists:
- National Mower I-Stripe 22" Rotary Mower

Other documentation:
- National Mower cross reference parts list
- National Mower to Ariens cross reference parts list