Factory-calculated charts are utilized by crane operators to determine the maximum secure hundreds for stationary work as well as (on-rubber) hundreds and travelling speeds. The most elementary truck-mounted crane configuration is a “boom truck” or “lorry loader”, which features a rear-mounted rotating telescopic-growth crane mounted on a commercial truck chassis. One of his cranes, commissioned by the Italian Navy in 1883 and in use till the mid-Fifties, remains to be standing in Venice, where it’s now in a state of disrepair. The success of his hydraulic crane led Armstrong to determine the Elswick works at Newcastle, to produce his hydraulic equipment for cranes and bridges in 1847. His company quickly received orders for hydraulic cranes from Edinburgh and Northern Railways and from Liverpool Docks, as well as for hydraulic machinery for dock gates in Grimsby. The company expanded from a workforce of 300 and an annual production of forty five …