The 780 HR model typically refers to a specific piece of equipment or machinery, often in the construction or agricultural sector. However, without more context about the manufacturer or type of equipment, it's difficult to provide an exact year or value. Generally, the worth of such equipment can vary significantly based on factors like age, condition, hours of use, and market demand. Please provide more details for a more accurate response.
50 USD
50-100 USD
Somwhere between 1956 and 1985
Need the serial number.
IIRC early 70s
Blast furnace calorific value is 780 Kcal/hr
No sn data for that model I can find.
"M" prefix indicates 1952
Impossible to answer without the serial number.
i just saw 1 sold on gun broker the 30th of September for $160
"AU" prefix indicates 1980
10-100 USD or so