Chain Sprocket 7 Teeth
Description
A record of casting production for pattern number 1779. No pattern sketch. Inscription on recto reads "Chain Pitch 1.312 P.D. 2.949 Bottom Dia. 2.496 O.D. 3.187" "Dr. No. 65-71".
Related organizations
Related objects
Rudder details
HH.5.04668