A compound lever balance in steel and brass with a mechanical advantage of 10:1 and 100:1
1800-1810
Platform weighing machine
Trojan, equal-arm platform balance by C.Morgan & Son
1965-1975
Platform scales by Hunt and Co
circa 1950
Personal platform weighing machine to weigh 3cwt
1900-1920
Platform weighing machine with a dial
Platform weighing machine of the steelyard type by Pooley (No.1302) with poise weights for 7
Steelyard type platform weighing machine
1942
"COEO" Sack holder
1898
Wooden frame platform weighing machine by John Winsbury and Son
1850-1855
Sack balance
Platform scale with self indicating scale
1950-1970