Two men with oyster shells
ddr-densho-15-120 (Legacy UID: denshopd-p15-00120)
Hiroshi (left) and Masaru Odoi punched holes into oysters shells. The shells were strung on wire and hung on racks in the water to catch oyster spawn. Afterwards, farmers spread the shells over a bed. This was an experimental way of hatching oysters in the 1930s.
Courtesy of the Mitsuoka Family Collection