Provided the belt does not break, yes it will be safe....but if the belt breaks, then you will ruin your engine.
http://armscollectors.com/sn/marlinlookup.php The year of manufacture for serial number 105700 is 1894.
It is 105700.
It is 105700.
To calculate 15% off 700, you first convert 15% to a decimal by dividing by 100, which gives you 0.15. Then, you multiply 0.15 by 700 to find the discount amount. This calculation results in a discount of 105 dollars.